diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 1244 |
1 files changed, 783 insertions, 461 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a7ef45da0a9e..658a75659657 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -26,6 +26,7 @@ */ #include <linux/cpufreq.h> +#include <drm/drm_plane_helper.h> #include "i915_drv.h" #include "intel_drv.h" #include "../../../platform/x86/intel_ips.h" @@ -54,10 +55,38 @@ #define INTEL_RC6p_ENABLE (1<<1) #define INTEL_RC6pp_ENABLE (1<<2) +static void gen9_init_clock_gating(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + /* See Bspec note for PSR2_CTL bit 31, Wa#828:skl,bxt,kbl */ + I915_WRITE(CHICKEN_PAR1_1, + I915_READ(CHICKEN_PAR1_1) | SKL_EDP_PSR_FIX_RDWRAP); + + I915_WRITE(GEN8_CONFIG0, + I915_READ(GEN8_CONFIG0) | GEN9_DEFAULT_FIXES); + + /* WaEnableChickenDCPR:skl,bxt,kbl */ + I915_WRITE(GEN8_CHICKEN_DCPR_1, + I915_READ(GEN8_CHICKEN_DCPR_1) | MASK_WAKEMEM); + + /* WaFbcTurnOffFbcWatermark:skl,bxt,kbl */ + /* WaFbcWakeMemOn:skl,bxt,kbl */ + I915_WRITE(DISP_ARB_CTL, I915_READ(DISP_ARB_CTL) | + DISP_FBC_WM_DIS | + DISP_FBC_MEMORY_WAKE); + + /* WaFbcHighMemBwCorruptionAvoidance:skl,bxt,kbl */ + I915_WRITE(ILK_DPFC_CHICKEN, I915_READ(ILK_DPFC_CHICKEN) | + ILK_DPFC_DISABLE_DUMMY0); +} + static void bxt_init_clock_gating(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; + gen9_init_clock_gating(dev); + /* WaDisableSDEUnitClockGating:bxt */ I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) | GEN8_SDEUNIT_CLOCK_GATE_DISABLE); @@ -2012,10 +2041,10 @@ static void ilk_compute_wm_level(const struct drm_i915_private *dev_priv, } static uint32_t -hsw_compute_linetime_wm(struct drm_device *dev, - struct intel_crtc_state *cstate) +hsw_compute_linetime_wm(const struct intel_crtc_state *cstate) { - struct drm_i915_private *dev_priv = dev->dev_private; + const struct intel_atomic_state *intel_state = + to_intel_atomic_state(cstate->base.state); const struct drm_display_mode *adjusted_mode = &cstate->base.adjusted_mode; u32 linetime, ips_linetime; @@ -2024,7 +2053,7 @@ hsw_compute_linetime_wm(struct drm_device *dev, return 0; if (WARN_ON(adjusted_mode->crtc_clock == 0)) return 0; - if (WARN_ON(dev_priv->cdclk_freq == 0)) + if (WARN_ON(intel_state->cdclk == 0)) return 0; /* The WM are computed with base on how long it takes to fill a single @@ -2033,7 +2062,7 @@ hsw_compute_linetime_wm(struct drm_device *dev, linetime = DIV_ROUND_CLOSEST(adjusted_mode->crtc_htotal * 1000 * 8, adjusted_mode->crtc_clock); ips_linetime = DIV_ROUND_CLOSEST(adjusted_mode->crtc_htotal * 1000 * 8, - dev_priv->cdclk_freq); + intel_state->cdclk); return PIPE_WM_LINETIME_IPS_LINETIME(ips_linetime) | PIPE_WM_LINETIME_TIME(linetime); @@ -2146,14 +2175,14 @@ static void intel_read_wm_latency(struct drm_device *dev, uint16_t wm[8]) static void intel_fixup_spr_wm_latency(struct drm_device *dev, uint16_t wm[5]) { /* ILK sprite LP0 latency is 1300 ns */ - if (INTEL_INFO(dev)->gen == 5) + if (IS_GEN5(dev)) wm[0] = 13; } static void intel_fixup_cur_wm_latency(struct drm_device *dev, uint16_t wm[5]) { /* ILK cursor LP0 latency is 1300 ns */ - if (INTEL_INFO(dev)->gen == 5) + if (IS_GEN5(dev)) wm[0] = 13; /* WaDoubleCursorLP3Latency:ivb */ @@ -2309,7 +2338,7 @@ static int ilk_compute_pipe_wm(struct intel_crtc_state *cstate) int level, max_level = ilk_wm_max_level(dev), usable_level; struct ilk_wm_maximums max; - pipe_wm = &cstate->wm.optimal.ilk; + pipe_wm = &cstate->wm.ilk.optimal; for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { struct intel_plane_state *ps; @@ -2352,7 +2381,7 @@ static int ilk_compute_pipe_wm(struct intel_crtc_state *cstate) pipe_wm->wm[0] = pipe_wm->raw_wm[0]; if (IS_HASWELL(dev) || IS_BROADWELL(dev)) - pipe_wm->linetime = hsw_compute_linetime_wm(dev, cstate); + pipe_wm->linetime = hsw_compute_linetime_wm(cstate); if (!ilk_validate_pipe_wm(dev, pipe_wm)) return -EINVAL; @@ -2391,7 +2420,7 @@ static int ilk_compute_intermediate_wm(struct drm_device *dev, struct intel_crtc *intel_crtc, struct intel_crtc_state *newstate) { - struct intel_pipe_wm *a = &newstate->wm.intermediate; + struct intel_pipe_wm *a = &newstate->wm.ilk.intermediate; struct intel_pipe_wm *b = &intel_crtc->wm.active.ilk; int level, max_level = ilk_wm_max_level(dev); @@ -2400,7 +2429,7 @@ static int ilk_compute_intermediate_wm(struct drm_device *dev, * currently active watermarks to get values that are safe both before * and after the vblank. */ - *a = newstate->wm.optimal.ilk; + *a = newstate->wm.ilk.optimal; a->pipe_enabled |= b->pipe_enabled; a->sprites_enabled |= b->sprites_enabled; a->sprites_scaled |= b->sprites_scaled; @@ -2429,7 +2458,7 @@ static int ilk_compute_intermediate_wm(struct drm_device *dev, * If our intermediate WM are identical to the final WM, then we can * omit the post-vblank programming; only update if it's different. */ - if (memcmp(a, &newstate->wm.optimal.ilk, sizeof(*a)) == 0) + if (memcmp(a, &newstate->wm.ilk.optimal, sizeof(*a)) == 0) newstate->wm.need_postvbl_update = false; return 0; @@ -2849,20 +2878,29 @@ skl_wm_plane_id(const struct intel_plane *plane) static void skl_ddb_get_pipe_allocation_limits(struct drm_device *dev, const struct intel_crtc_state *cstate, - const struct intel_wm_config *config, - struct skl_ddb_entry *alloc /* out */) + struct skl_ddb_entry *alloc, /* out */ + int *num_active /* out */) { + struct drm_atomic_state *state = cstate->base.state; + struct intel_atomic_state *intel_state = to_intel_atomic_state(state); + struct drm_i915_private *dev_priv = to_i915(dev); struct drm_crtc *for_crtc = cstate->base.crtc; - struct drm_crtc *crtc; unsigned int pipe_size, ddb_size; int nth_active_pipe; + int pipe = to_intel_crtc(for_crtc)->pipe; - if (!cstate->base.active) { + if (WARN_ON(!state) || !cstate->base.active) { alloc->start = 0; alloc->end = 0; + *num_active = hweight32(dev_priv->active_crtcs); return; } + if (intel_state->active_pipe_changes) + *num_active = hweight32(intel_state->active_crtcs); + else + *num_active = hweight32(dev_priv->active_crtcs); + if (IS_BROXTON(dev)) ddb_size = BXT_DDB_SIZE; else @@ -2870,25 +2908,29 @@ skl_ddb_get_pipe_allocation_limits(struct drm_device *dev, ddb_size -= 4; /* 4 blocks for bypass path allocation */ - nth_active_pipe = 0; - for_each_crtc(dev, crtc) { - if (!to_intel_crtc(crtc)->active) - continue; - - if (crtc == for_crtc) - break; - - nth_active_pipe++; + /* + * If the state doesn't change the active CRTC's, then there's + * no need to recalculate; the existing pipe allocation limits + * should remain unchanged. Note that we're safe from racing + * commits since any racing commit that changes the active CRTC + * list would need to grab _all_ crtc locks, including the one + * we currently hold. + */ + if (!intel_state->active_pipe_changes) { + *alloc = dev_priv->wm.skl_hw.ddb.pipe[pipe]; + return; } - pipe_size = ddb_size / config->num_pipes_active; - alloc->start = nth_active_pipe * ddb_size / config->num_pipes_active; + nth_active_pipe = hweight32(intel_state->active_crtcs & + (drm_crtc_mask(for_crtc) - 1)); + pipe_size = ddb_size / hweight32(intel_state->active_crtcs); + alloc->start = nth_active_pipe * ddb_size / *num_active; alloc->end = alloc->start + pipe_size; } -static unsigned int skl_cursor_allocation(const struct intel_wm_config *config) +static unsigned int skl_cursor_allocation(int num_active) { - if (config->num_pipes_active == 1) + if (num_active == 1) return 32; return 8; @@ -2932,6 +2974,46 @@ void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, } } +/* + * Determines the downscale amount of a plane for the purposes of watermark calculations. + * The bspec defines downscale amount as: + * + * """ + * Horizontal down scale amount = maximum[1, Horizontal source size / + * Horizontal destination size] + * Vertical down scale amount = maximum[1, Vertical source size / + * Vertical destination size] + * Total down scale amount = Horizontal down scale amount * + * Vertical down scale amount + * """ + * + * Return value is provided in 16.16 fixed point form to retain fractional part. + * Caller should take care of dividing & rounding off the value. + */ +static uint32_t +skl_plane_downscale_amount(const struct intel_plane_state *pstate) +{ + uint32_t downscale_h, downscale_w; + uint32_t src_w, src_h, dst_w, dst_h; + + if (WARN_ON(!pstate->visible)) + return DRM_PLANE_HELPER_NO_SCALING; + + /* n.b., src is 16.16 fixed point, dst is whole integer */ + src_w = drm_rect_width(&pstate->src); + src_h = drm_rect_height(&pstate->src); + dst_w = drm_rect_width(&pstate->dst); + dst_h = drm_rect_height(&pstate->dst); + if (intel_rotation_90_or_270(pstate->base.rotation)) + swap(dst_w, dst_h); + + downscale_h = max(src_h / dst_h, (uint32_t)DRM_PLANE_HELPER_NO_SCALING); + downscale_w = max(src_w / dst_w, (uint32_t)DRM_PLANE_HELPER_NO_SCALING); + + /* Provide result in 16.16 fixed point */ + return (uint64_t)downscale_w * downscale_h >> 16; +} + static unsigned int skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, const struct drm_plane_state *pstate, @@ -2939,7 +3021,16 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, { struct intel_plane_state *intel_pstate = to_intel_plane_state(pstate); struct drm_framebuffer *fb = pstate->fb; + uint32_t down_scale_amount, data_rate; uint32_t width = 0, height = 0; + unsigned format = fb ? fb->pixel_format : DRM_FORMAT_XRGB8888; + + if (!intel_pstate->visible) + return 0; + if (pstate->plane->type == DRM_PLANE_TYPE_CURSOR) + return 0; + if (y && format != DRM_FORMAT_NV12) + return 0; width = drm_rect_width(&intel_pstate->src) >> 16; height = drm_rect_height(&intel_pstate->src) >> 16; @@ -2948,17 +3039,21 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, swap(width, height); /* for planar format */ - if (fb->pixel_format == DRM_FORMAT_NV12) { + if (format == DRM_FORMAT_NV12) { if (y) /* y-plane data rate */ - return width * height * - drm_format_plane_cpp(fb->pixel_format, 0); + data_rate = width * height * + drm_format_plane_cpp(format, 0); else /* uv-plane data rate */ - return (width / 2) * (height / 2) * - drm_format_plane_cpp(fb->pixel_format, 1); + data_rate = (width / 2) * (height / 2) * + drm_format_plane_cpp(format, 1); + } else { + /* for packed formats */ + data_rate = width * height * drm_format_plane_cpp(format, 0); } - /* for packed formats */ - return width * height * drm_format_plane_cpp(fb->pixel_format, 0); + down_scale_amount = skl_plane_downscale_amount(intel_pstate); + + return (uint64_t)data_rate * down_scale_amount >> 16; } /* @@ -2967,86 +3062,188 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, * 3 * 4096 * 8192 * 4 < 2^32 */ static unsigned int -skl_get_total_relative_data_rate(const struct intel_crtc_state *cstate) +skl_get_total_relative_data_rate(struct intel_crtc_state *intel_cstate) { - struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc); - struct drm_device *dev = intel_crtc->base.dev; + struct drm_crtc_state *cstate = &intel_cstate->base; + struct drm_atomic_state *state = cstate->state; + struct drm_crtc *crtc = cstate->crtc; + struct drm_device *dev = crtc->dev; + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + const struct drm_plane *plane; const struct intel_plane *intel_plane; - unsigned int total_data_rate = 0; + struct drm_plane_state *pstate; + unsigned int rate, total_data_rate = 0; + int id; + int i; - for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { - const struct drm_plane_state *pstate = intel_plane->base.state; + if (WARN_ON(!state)) + return 0; - if (pstate->fb == NULL) - continue; + /* Calculate and cache data rate for each plane */ + for_each_plane_in_state(state, plane, pstate, i) { + id = skl_wm_plane_id(to_intel_plane(plane)); + intel_plane = to_intel_plane(plane); - if (intel_plane->base.type == DRM_PLANE_TYPE_CURSOR) + if (intel_plane->pipe != intel_crtc->pipe) continue; /* packed/uv */ - total_data_rate += skl_plane_relative_data_rate(cstate, - pstate, - 0); + rate = skl_plane_relative_data_rate(intel_cstate, + pstate, 0); + intel_cstate->wm.skl.plane_data_rate[id] = rate; + + /* y-plane */ + rate = skl_plane_relative_data_rate(intel_cstate, + pstate, 1); + intel_cstate->wm.skl.plane_y_data_rate[id] = rate; + } - if (pstate->fb->pixel_format == DRM_FORMAT_NV12) - /* y-plane */ - total_data_rate += skl_plane_relative_data_rate(cstate, - pstate, - 1); + /* Calculate CRTC's total data rate from cached values */ + for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { + int id = skl_wm_plane_id(intel_plane); + + /* packed/uv */ + total_data_rate += intel_cstate->wm.skl.plane_data_rate[id]; + total_data_rate += intel_cstate->wm.skl.plane_y_data_rate[id]; } + WARN_ON(cstate->plane_mask && total_data_rate == 0); + return total_data_rate; } -static void +static uint16_t +skl_ddb_min_alloc(const struct drm_plane_state *pstate, + const int y) +{ + struct drm_framebuffer *fb = pstate->fb; + struct intel_plane_state *intel_pstate = to_intel_plane_state(pstate); + uint32_t src_w, src_h; + uint32_t min_scanlines = 8; + uint8_t plane_bpp; + + if (WARN_ON(!fb)) + return 0; + + /* For packed formats, no y-plane, return 0 */ + if (y && fb->pixel_format != DRM_FORMAT_NV12) + return 0; + + /* For Non Y-tile return 8-blocks */ + if (fb->modifier[0] != I915_FORMAT_MOD_Y_TILED && + fb->modifier[0] != I915_FORMAT_MOD_Yf_TILED) + return 8; + + src_w = drm_rect_width(&intel_pstate->src) >> 16; + src_h = drm_rect_height(&intel_pstate->src) >> 16; + + if (intel_rotation_90_or_270(pstate->rotation)) + swap(src_w, src_h); + + /* Halve UV plane width and height for NV12 */ + if (fb->pixel_format == DRM_FORMAT_NV12 && !y) { + src_w /= 2; + src_h /= 2; + } + + if (fb->pixel_format == DRM_FORMAT_NV12 && !y) + plane_bpp = drm_format_plane_cpp(fb->pixel_format, 1); + else + plane_bpp = drm_format_plane_cpp(fb->pixel_format, 0); + + if (intel_rotation_90_or_270(pstate->rotation)) { + switch (plane_bpp) { + case 1: + min_scanlines = 32; + break; + case 2: + min_scanlines = 16; + break; + case 4: + min_scanlines = 8; + break; + case 8: + min_scanlines = 4; + break; + default: + WARN(1, "Unsupported pixel depth %u for rotation", + plane_bpp); + min_scanlines = 32; + } + } + + return DIV_ROUND_UP((4 * src_w * plane_bpp), 512) * min_scanlines/4 + 3; +} + +static int skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, struct skl_ddb_allocation *ddb /* out */) { + struct drm_atomic_state *state = cstate->base.state; struct drm_crtc *crtc = cstate->base.crtc; struct drm_device *dev = crtc->dev; - struct drm_i915_private *dev_priv = to_i915(dev); - struct intel_wm_config *config = &dev_priv->wm.config; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_plane *intel_plane; + struct drm_plane *plane; + struct drm_plane_state *pstate; enum pipe pipe = intel_crtc->pipe; struct skl_ddb_entry *alloc = &ddb->pipe[pipe]; uint16_t alloc_size, start, cursor_blocks; - uint16_t minimum[I915_MAX_PLANES]; - uint16_t y_minimum[I915_MAX_PLANES]; + uint16_t *minimum = cstate->wm.skl.minimum_blocks; + uint16_t *y_minimum = cstate->wm.skl.minimum_y_blocks; unsigned int total_data_rate; + int num_active; + int id, i; + + if (WARN_ON(!state)) + return 0; - skl_ddb_get_pipe_allocation_limits(dev, cstate, config, alloc); + if (!cstate->base.active) { + ddb->pipe[pipe].start = ddb->pipe[pipe].end = 0; + memset(ddb->plane[pipe], 0, sizeof(ddb->plane[pipe])); + memset(ddb->y_plane[pipe], 0, sizeof(ddb->y_plane[pipe])); + return 0; + } + + skl_ddb_get_pipe_allocation_limits(dev, cstate, alloc, &num_active); alloc_size = skl_ddb_entry_size(alloc); if (alloc_size == 0) { memset(ddb->plane[pipe], 0, sizeof(ddb->plane[pipe])); - memset(&ddb->plane[pipe][PLANE_CURSOR], 0, - sizeof(ddb->plane[pipe][PLANE_CURSOR])); - return; + return 0; } - cursor_blocks = skl_cursor_allocation(config); + cursor_blocks = skl_cursor_allocation(num_active); ddb->plane[pipe][PLANE_CURSOR].start = alloc->end - cursor_blocks; ddb->plane[pipe][PLANE_CURSOR].end = alloc->end; alloc_size -= cursor_blocks; - alloc->end -= cursor_blocks; /* 1. Allocate the mininum required blocks for each active plane */ - for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { - struct drm_plane *plane = &intel_plane->base; - struct drm_framebuffer *fb = plane->state->fb; - int id = skl_wm_plane_id(intel_plane); + for_each_plane_in_state(state, plane, pstate, i) { + intel_plane = to_intel_plane(plane); + id = skl_wm_plane_id(intel_plane); - if (!to_intel_plane_state(plane->state)->visible) + if (intel_plane->pipe != pipe) continue; - if (plane->type == DRM_PLANE_TYPE_CURSOR) + if (!to_intel_plane_state(pstate)->visible) { + minimum[id] = 0; + y_minimum[id] = 0; + continue; + } + if (plane->type == DRM_PLANE_TYPE_CURSOR) { + minimum[id] = 0; + y_minimum[id] = 0; continue; + } - minimum[id] = 8; - alloc_size -= minimum[id]; - y_minimum[id] = (fb->pixel_format == DRM_FORMAT_NV12) ? 8 : 0; - alloc_size -= y_minimum[id]; + minimum[id] = skl_ddb_min_alloc(pstate, 0); + y_minimum[id] = skl_ddb_min_alloc(pstate, 1); + } + + for (i = 0; i < PLANE_CURSOR; i++) { + alloc_size -= minimum[i]; + alloc_size -= y_minimum[i]; } /* @@ -3056,21 +3253,16 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, * FIXME: we may not allocate every single block here. */ total_data_rate = skl_get_total_relative_data_rate(cstate); + if (total_data_rate == 0) + return 0; start = alloc->start; for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { - struct drm_plane *plane = &intel_plane->base; - struct drm_plane_state *pstate = intel_plane->base.state; unsigned int data_rate, y_data_rate; uint16_t plane_blocks, y_plane_blocks = 0; int id = skl_wm_plane_id(intel_plane); - if (!to_intel_plane_state(pstate)->visible) - continue; - if (plane->type == DRM_PLANE_TYPE_CURSOR) - continue; - - data_rate = skl_plane_relative_data_rate(cstate, pstate, 0); + data_rate = cstate->wm.skl.plane_data_rate[id]; /* * allocation for (packed formats) or (uv-plane part of planar format): @@ -3081,30 +3273,32 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, plane_blocks += div_u64((uint64_t)alloc_size * data_rate, total_data_rate); - ddb->plane[pipe][id].start = start; - ddb->plane[pipe][id].end = start + plane_blocks; + /* Leave disabled planes at (0,0) */ + if (data_rate) { + ddb->plane[pipe][id].start = start; + ddb->plane[pipe][id].end = start + plane_blocks; + } start += plane_blocks; /* * allocation for y_plane part of planar format: */ - if (pstate->fb->pixel_format == DRM_FORMAT_NV12) { - y_data_rate = skl_plane_relative_data_rate(cstate, - pstate, - 1); - y_plane_blocks = y_minimum[id]; - y_plane_blocks += div_u64((uint64_t)alloc_size * y_data_rate, - total_data_rate); + y_data_rate = cstate->wm.skl.plane_y_data_rate[id]; + + y_plane_blocks = y_minimum[id]; + y_plane_blocks += div_u64((uint64_t)alloc_size * y_data_rate, + total_data_rate); + if (y_data_rate) { ddb->y_plane[pipe][id].start = start; ddb->y_plane[pipe][id].end = start + y_plane_blocks; - - start += y_plane_blocks; } + start += y_plane_blocks; } + return 0; } static uint32_t skl_pipe_pixel_rate(const struct intel_crtc_state *config) @@ -3161,35 +3355,41 @@ static uint32_t skl_wm_method2(uint32_t pixel_rate, uint32_t pipe_htotal, return ret; } -static bool skl_ddb_allocation_changed(const struct skl_ddb_allocation *new_ddb, - const struct intel_crtc *intel_crtc) +static uint32_t skl_adjusted_plane_pixel_rate(const struct intel_crtc_state *cstate, + struct intel_plane_state *pstate) { - struct drm_device *dev = intel_crtc->base.dev; - struct drm_i915_private *dev_priv = dev->dev_private; - const struct skl_ddb_allocation *cur_ddb = &dev_priv->wm.skl_hw.ddb; + uint64_t adjusted_pixel_rate; + uint64_t downscale_amount; + uint64_t pixel_rate; + + /* Shouldn't reach here on disabled planes... */ + if (WARN_ON(!pstate->visible)) + return 0; /* - * If ddb allocation of pipes changed, it may require recalculation of - * watermarks + * Adjusted plane pixel rate is just the pipe's adjusted pixel rate + * with additional adjustments for plane-specific scaling. */ - if (memcmp(new_ddb->pipe, cur_ddb->pipe, sizeof(new_ddb->pipe))) - return true; + adjusted_pixel_rate = skl_pipe_pixel_rate(cstate); + downscale_amount = skl_plane_downscale_amount(pstate); + + pixel_rate = adjusted_pixel_rate * downscale_amount >> 16; + WARN_ON(pixel_rate != clamp_t(uint32_t, pixel_rate, 0, ~0)); - return false; + return pixel_rate; } -static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv, - struct intel_crtc_state *cstate, - struct intel_plane *intel_plane, - uint16_t ddb_allocation, - int level, - uint16_t *out_blocks, /* out */ - uint8_t *out_lines /* out */) +static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv, + struct intel_crtc_state *cstate, + struct intel_plane_state *intel_pstate, + uint16_t ddb_allocation, + int level, + uint16_t *out_blocks, /* out */ + uint8_t *out_lines, /* out */ + bool *enabled /* out */) { - struct drm_plane *plane = &intel_plane->base; - struct drm_framebuffer *fb = plane->state->fb; - struct intel_plane_state *intel_pstate = - to_intel_plane_state(plane->state); + struct drm_plane_state *pstate = &intel_pstate->base; + struct drm_framebuffer *fb = pstate->fb; uint32_t latency = dev_priv->wm.skl_latency[level]; uint32_t method1, method2; uint32_t plane_bytes_per_line, plane_blocks_per_line; @@ -3197,20 +3397,24 @@ static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv, uint32_t selected_result; uint8_t cpp; uint32_t width = 0, height = 0; + uint32_t plane_pixel_rate; - if (latency == 0 || !cstate->base.active || !intel_pstate->visible) - return false; + if (latency == 0 || !cstate->base.active || !intel_pstate->visible) { + *enabled = false; + return 0; + } width = drm_rect_width(&intel_pstate->src) >> 16; height = drm_rect_height(&intel_pstate->src) >> 16; - if (intel_rotation_90_or_270(plane->state->rotation)) + if (intel_rotation_90_or_270(pstate->rotation)) swap(width, height); cpp = drm_format_plane_cpp(fb->pixel_format, 0); - method1 = skl_wm_method1(skl_pipe_pixel_rate(cstate), - cpp, latency); - method2 = skl_wm_method2(skl_pipe_pixel_rate(cstate), + plane_pixel_rate = skl_adjusted_plane_pixel_rate(cstate, intel_pstate); + + method1 = skl_wm_method1(plane_pixel_rate, cpp, latency); + method2 = skl_wm_method2(plane_pixel_rate, cstate->base.adjusted_mode.crtc_htotal, width, cpp, @@ -3224,7 +3428,7 @@ static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv, fb->modifier[0] == I915_FORMAT_MOD_Yf_TILED) { uint32_t min_scanlines = 4; uint32_t y_tile_minimum; - if (intel_rotation_90_or_270(plane->state->rotation)) { + if (intel_rotation_90_or_270(pstate->rotation)) { int cpp = (fb->pixel_format == DRM_FORMAT_NV12) ? drm_format_plane_cpp(fb->pixel_format, 1) : drm_format_plane_cpp(fb->pixel_format, 0); @@ -3260,40 +3464,99 @@ static bool skl_compute_plane_wm(const struct drm_i915_private *dev_priv, res_blocks++; } - if (res_blocks >= ddb_allocation || res_lines > 31) - return false; + if (res_blocks >= ddb_allocation || res_lines > 31) { + *enabled = false; + + /* + * If there are no valid level 0 watermarks, then we can't + * support this display configuration. + */ + if (level) { + return 0; + } else { + DRM_DEBUG_KMS("Requested display configuration exceeds system watermark limitations\n"); + DRM_DEBUG_KMS("Plane %d.%d: blocks required = %u/%u, lines required = %u/31\n", + to_intel_crtc(cstate->base.crtc)->pipe, + skl_wm_plane_id(to_intel_plane(pstate->plane)), + res_blocks, ddb_allocation, res_lines); + + return -EINVAL; + } + } *out_blocks = res_blocks; *out_lines = res_lines; + *enabled = true; - return true; + return 0; } -static void skl_compute_wm_level(const struct drm_i915_private *dev_priv, - struct skl_ddb_allocation *ddb, - struct intel_crtc_state *cstate, - int level, - struct skl_wm_level *result) +static int +skl_compute_wm_level(const struct drm_i915_private *dev_priv, + struct skl_ddb_allocation *ddb, + struct intel_crtc_state *cstate, + int level, + struct skl_wm_level *result) { struct drm_device *dev = dev_priv->dev; + struct drm_atomic_state *state = cstate->base.state; struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc); + struct drm_plane *plane; struct intel_plane *intel_plane; + struct intel_plane_state *intel_pstate; uint16_t ddb_blocks; enum pipe pipe = intel_crtc->pipe; + int ret; - for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane) { + /* + * We'll only calculate watermarks for planes that are actually + * enabled, so make sure all other planes are set as disabled. + */ + memset(result, 0, sizeof(*result)); + + for_each_intel_plane_mask(dev, intel_plane, cstate->base.plane_mask) { int i = skl_wm_plane_id(intel_plane); + plane = &intel_plane->base; + intel_pstate = NULL; + if (state) + intel_pstate = + intel_atomic_get_existing_plane_state(state, + intel_plane); + + /* + * Note: If we start supporting multiple pending atomic commits + * against the same planes/CRTC's in the future, plane->state + * will no longer be the correct pre-state to use for the + * calculations here and we'll need to change where we get the + * 'unchanged' plane data from. + * + * For now this is fine because we only allow one queued commit + * against a CRTC. Even if the plane isn't modified by this + * transaction and we don't have a plane lock, we still have + * the CRTC's lock, so we know that no other transactions are + * racing with us to update it. + */ + if (!intel_pstate) + intel_pstate = to_intel_plane_state(plane->state); + + WARN_ON(!intel_pstate->base.fb); + ddb_blocks = skl_ddb_entry_size(&ddb->plane[pipe][i]); - result->plane_en[i] = skl_compute_plane_wm(dev_priv, - cstate, - intel_plane, - ddb_blocks, - level, - &result->plane_res_b[i], - &result->plane_res_l[i]); + ret = skl_compute_plane_wm(dev_priv, + cstate, + intel_pstate, + ddb_blocks, + level, + &result->plane_res_b[i], + &result->plane_res_l[i], + &result->plane_en[i]); + if (ret) + return ret; } + + return 0; } static uint32_t @@ -3327,21 +3590,26 @@ static void skl_compute_transition_wm(struct intel_crtc_state *cstate, } } -static void skl_compute_pipe_wm(struct intel_crtc_state *cstate, - struct skl_ddb_allocation *ddb, - struct skl_pipe_wm *pipe_wm) +static int skl_build_pipe_wm(struct intel_crtc_state *cstate, + struct skl_ddb_allocation *ddb, + struct skl_pipe_wm *pipe_wm) { struct drm_device *dev = cstate->base.crtc->dev; const struct drm_i915_private *dev_priv = dev->dev_private; int level, max_level = ilk_wm_max_level(dev); + int ret; for (level = 0; level <= max_level; level++) { - skl_compute_wm_level(dev_priv, ddb, cstate, - level, &pipe_wm->wm[level]); + ret = skl_compute_wm_level(dev_priv, ddb, cstate, + level, &pipe_wm->wm[level]); + if (ret) + return ret; } pipe_wm->linetime = skl_compute_linetime_wm(cstate); skl_compute_transition_wm(cstate, &pipe_wm->trans_wm); + + return 0; } static void skl_compute_wm_results(struct drm_device *dev, @@ -3421,7 +3689,9 @@ static void skl_write_wm_values(struct drm_i915_private *dev_priv, int i, level, max_level = ilk_wm_max_level(dev); enum pipe pipe = crtc->pipe; - if (!new->dirty[pipe]) + if ((new->dirty_pipes & drm_crtc_mask(&crtc->base)) == 0) + continue; + if (!crtc->active) continue; I915_WRITE(PIPE_WM_LINETIME(pipe), new->wm_linetime[pipe]); @@ -3588,87 +3858,144 @@ static void skl_flush_wm_values(struct drm_i915_private *dev_priv, } } -static bool skl_update_pipe_wm(struct drm_crtc *crtc, - struct skl_ddb_allocation *ddb, /* out */ - struct skl_pipe_wm *pipe_wm /* out */) +static int skl_update_pipe_wm(struct drm_crtc_state *cstate, + struct skl_ddb_allocation *ddb, /* out */ + struct skl_pipe_wm *pipe_wm, /* out */ + bool *changed /* out */) { - struct intel_crtc *intel_crtc = to_intel_crtc(crtc); - struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state); + struct intel_crtc *intel_crtc = to_intel_crtc(cstate->crtc); + struct intel_crtc_state *intel_cstate = to_intel_crtc_state(cstate); + int ret; - skl_allocate_pipe_ddb(cstate, ddb); - skl_compute_pipe_wm(cstate, ddb, pipe_wm); + ret = skl_build_pipe_wm(intel_cstate, ddb, pipe_wm); + if (ret) + return ret; if (!memcmp(&intel_crtc->wm.active.skl, pipe_wm, sizeof(*pipe_wm))) - return false; - - intel_crtc->wm.active.skl = *pipe_wm; + *changed = false; + else + *changed = true; - return true; + return 0; } -static void skl_update_other_pipe_wm(struct drm_device *dev, - struct drm_crtc *crtc, - struct skl_wm_values *r) +static int +skl_compute_ddb(struct drm_atomic_state *state) { + struct drm_device *dev = state->dev; + struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_atomic_state *intel_state = to_intel_atomic_state(state); struct intel_crtc *intel_crtc; - struct intel_crtc *this_crtc = to_intel_crtc(crtc); + struct skl_ddb_allocation *ddb = &intel_state->wm_results.ddb; + unsigned realloc_pipes = dev_priv->active_crtcs; + int ret; /* - * If the WM update hasn't changed the allocation for this_crtc (the - * crtc we are currently computing the new WM values for), other - * enabled crtcs will keep the same allocation and we don't need to - * recompute anything for them. + * If this is our first atomic update following hardware readout, + * we can't trust the DDB that the BIOS programmed for us. Let's + * pretend that all pipes switched active status so that we'll + * ensure a full DDB recompute. */ - if (!skl_ddb_allocation_changed(&r->ddb, this_crtc)) - return; + if (dev_priv->wm.distrust_bios_wm) + intel_state->active_pipe_changes = ~0; /* - * Otherwise, because of this_crtc being freshly enabled/disabled, the - * other active pipes need new DDB allocation and WM values. + * If the modeset changes which CRTC's are active, we need to + * recompute the DDB allocation for *all* active pipes, even + * those that weren't otherwise being modified in any way by this + * atomic commit. Due to the shrinking of the per-pipe allocations + * when new active CRTC's are added, it's possible for a pipe that + * we were already using and aren't changing at all here to suddenly + * become invalid if its DDB needs exceeds its new allocation. + * + * Note that if we wind up doing a full DDB recompute, we can't let + * any other display updates race with this transaction, so we need + * to grab the lock on *all* CRTC's. */ - for_each_intel_crtc(dev, intel_crtc) { - struct skl_pipe_wm pipe_wm = {}; - bool wm_changed; - - if (this_crtc->pipe == intel_crtc->pipe) - continue; - - if (!intel_crtc->active) - continue; + if (intel_state->active_pipe_changes) { + realloc_pipes = ~0; + intel_state->wm_results.dirty_pipes = ~0; + } - wm_changed = skl_update_pipe_wm(&intel_crtc->base, - &r->ddb, &pipe_wm); + for_each_intel_crtc_mask(dev, intel_crtc, realloc_pipes) { + struct intel_crtc_state *cstate; - /* - * If we end up re-computing the other pipe WM values, it's - * because it was really needed, so we expect the WM values to - * be different. - */ - WARN_ON(!wm_changed); + cstate = intel_atomic_get_crtc_state(state, intel_crtc); + if (IS_ERR(cstate)) + return PTR_ERR(cstate); - skl_compute_wm_results(dev, &pipe_wm, r, intel_crtc); - r->dirty[intel_crtc->pipe] = true; + ret = skl_allocate_pipe_ddb(cstate, ddb); + if (ret) + return ret; } + + return 0; } -static void skl_clear_wm(struct skl_wm_values *watermarks, enum pipe pipe) +static int +skl_compute_wm(struct drm_atomic_state *state) { - watermarks->wm_linetime[pipe] = 0; - memset(watermarks->plane[pipe], 0, - sizeof(uint32_t) * 8 * I915_MAX_PLANES); - memset(watermarks->plane_trans[pipe], - 0, sizeof(uint32_t) * I915_MAX_PLANES); - watermarks->plane_trans[pipe][PLANE_CURSOR] = 0; + struct drm_crtc *crtc; + struct drm_crtc_state *cstate; + struct intel_atomic_state *intel_state = to_intel_atomic_state(state); + struct skl_wm_values *results = &intel_state->wm_results; + struct skl_pipe_wm *pipe_wm; + bool changed = false; + int ret, i; - /* Clear ddb entries for pipe */ - memset(&watermarks->ddb.pipe[pipe], 0, sizeof(struct skl_ddb_entry)); - memset(&watermarks->ddb.plane[pipe], 0, - sizeof(struct skl_ddb_entry) * I915_MAX_PLANES); - memset(&watermarks->ddb.y_plane[pipe], 0, - sizeof(struct skl_ddb_entry) * I915_MAX_PLANES); - memset(&watermarks->ddb.plane[pipe][PLANE_CURSOR], 0, - sizeof(struct skl_ddb_entry)); + /* + * If this transaction isn't actually touching any CRTC's, don't + * bother with watermark calculation. Note that if we pass this + * test, we're guaranteed to hold at least one CRTC state mutex, + * which means we can safely use values like dev_priv->active_crtcs + * since any racing commits that want to update them would need to + * hold _all_ CRTC state mutexes. + */ + for_each_crtc_in_state(state, crtc, cstate, i) + changed = true; + if (!changed) + return 0; + + /* Clear all dirty flags */ + results->dirty_pipes = 0; + + ret = skl_compute_ddb(state); + if (ret) + return ret; + + /* + * Calculate WM's for all pipes that are part of this transaction. + * Note that the DDB allocation above may have added more CRTC's that + * weren't otherwise being modified (and set bits in dirty_pipes) if + * pipe allocations had to change. + * + * FIXME: Now that we're doing this in the atomic check phase, we + * should allow skl_update_pipe_wm() to return failure in cases where + * no suitable watermark values can be found. + */ + for_each_crtc_in_state(state, crtc, cstate, i) { + struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_crtc_state *intel_cstate = + to_intel_crtc_state(cstate); + + pipe_wm = &intel_cstate->wm.skl.optimal; + ret = skl_update_pipe_wm(cstate, &results->ddb, pipe_wm, + &changed); + if (ret) + return ret; + if (changed) + results->dirty_pipes |= drm_crtc_mask(crtc); + + if ((results->dirty_pipes & drm_crtc_mask(crtc)) == 0) + /* This pipe's WM's did not change */ + continue; + + intel_cstate->update_wm_pre = true; + skl_compute_wm_results(crtc->dev, pipe_wm, results, intel_crtc); + } + + return 0; } static void skl_update_wm(struct drm_crtc *crtc) @@ -3678,26 +4005,22 @@ static void skl_update_wm(struct drm_crtc *crtc) struct drm_i915_private *dev_priv = dev->dev_private; struct skl_wm_values *results = &dev_priv->wm.skl_results; struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state); - struct skl_pipe_wm *pipe_wm = &cstate->wm.optimal.skl; - - - /* Clear all dirty flags */ - memset(results->dirty, 0, sizeof(bool) * I915_MAX_PIPES); - - skl_clear_wm(results, intel_crtc->pipe); + struct skl_pipe_wm *pipe_wm = &cstate->wm.skl.optimal; - if (!skl_update_pipe_wm(crtc, &results->ddb, pipe_wm)) + if ((results->dirty_pipes & drm_crtc_mask(crtc)) == 0) return; - skl_compute_wm_results(dev, pipe_wm, results, intel_crtc); - results->dirty[intel_crtc->pipe] = true; + intel_crtc->wm.active.skl = *pipe_wm; + + mutex_lock(&dev_priv->wm.wm_mutex); - skl_update_other_pipe_wm(dev, crtc, results); skl_write_wm_values(dev_priv, results); skl_flush_wm_values(dev_priv, results); /* store the new configuration */ dev_priv->wm.skl_hw = *results; + + mutex_unlock(&dev_priv->wm.wm_mutex); } static void ilk_compute_wm_config(struct drm_device *dev, @@ -3757,7 +4080,7 @@ static void ilk_initial_watermarks(struct intel_crtc_state *cstate) struct intel_crtc *intel_crtc = to_intel_crtc(cstate->base.crtc); mutex_lock(&dev_priv->wm.wm_mutex); - intel_crtc->wm.active.ilk = cstate->wm.intermediate; + intel_crtc->wm.active.ilk = cstate->wm.ilk.intermediate; ilk_program_watermarks(dev_priv); mutex_unlock(&dev_priv->wm.wm_mutex); } @@ -3769,7 +4092,7 @@ static void ilk_optimize_watermarks(struct intel_crtc_state *cstate) mutex_lock(&dev_priv->wm.wm_mutex); if (cstate->wm.need_postvbl_update) { - intel_crtc->wm.active.ilk = cstate->wm.optimal.ilk; + intel_crtc->wm.active.ilk = cstate->wm.ilk.optimal; ilk_program_watermarks(dev_priv); } mutex_unlock(&dev_priv->wm.wm_mutex); @@ -3826,7 +4149,7 @@ static void skl_pipe_wm_get_hw_state(struct drm_crtc *crtc) struct skl_wm_values *hw = &dev_priv->wm.skl_hw; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state); - struct skl_pipe_wm *active = &cstate->wm.optimal.skl; + struct skl_pipe_wm *active = &cstate->wm.skl.optimal; enum pipe pipe = intel_crtc->pipe; int level, i, max_level; uint32_t temp; @@ -3849,7 +4172,7 @@ static void skl_pipe_wm_get_hw_state(struct drm_crtc *crtc) if (!intel_crtc->active) return; - hw->dirty[pipe] = true; + hw->dirty_pipes |= drm_crtc_mask(crtc); active->linetime = hw->wm_linetime[pipe]; @@ -3883,6 +4206,14 @@ void skl_wm_get_hw_state(struct drm_device *dev) skl_ddb_get_hw_state(dev_priv, ddb); list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) skl_pipe_wm_get_hw_state(crtc); + + if (dev_priv->active_crtcs) { + /* Fully recompute DDB on first atomic commit */ + dev_priv->wm.distrust_bios_wm = true; + } else { + /* Easy/common case; just sanitize DDB now if everything off */ + memset(ddb, 0, sizeof(*ddb)); + } } static void ilk_pipe_wm_get_hw_state(struct drm_crtc *crtc) @@ -3892,7 +4223,7 @@ static void ilk_pipe_wm_get_hw_state(struct drm_crtc *crtc) struct ilk_wm_values *hw = &dev_priv->wm.hw; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); struct intel_crtc_state *cstate = to_intel_crtc_state(crtc->state); - struct intel_pipe_wm *active = &cstate->wm.optimal.ilk; + struct intel_pipe_wm *active = &cstate->wm.ilk.optimal; enum pipe pipe = intel_crtc->pipe; static const i915_reg_t wm0_pipe_reg[] = { [PIPE_A] = WM0_PIPEA_ILK, @@ -4169,9 +4500,8 @@ DEFINE_SPINLOCK(mchdev_lock); * mchdev_lock. */ static struct drm_i915_private *i915_mch_dev; -bool ironlake_set_drps(struct drm_device *dev, u8 val) +bool ironlake_set_drps(struct drm_i915_private *dev_priv, u8 val) { - struct drm_i915_private *dev_priv = dev->dev_private; u16 rgvswctl; assert_spin_locked(&mchdev_lock); @@ -4193,9 +4523,8 @@ bool ironlake_set_drps(struct drm_device *dev, u8 val) return true; } -static void ironlake_enable_drps(struct drm_device *dev) +static void ironlake_enable_drps(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 rgvmodectl; u8 fmax, fmin, fstart, vstart; @@ -4252,7 +4581,7 @@ static void ironlake_enable_drps(struct drm_device *dev) DRM_ERROR("stuck trying to change perf mode\n"); mdelay(1); - ironlake_set_drps(dev, fstart); + ironlake_set_drps(dev_priv, fstart); dev_priv->ips.last_count1 = I915_READ(DMIEC) + I915_READ(DDREC) + I915_READ(CSIEC); @@ -4263,9 +4592,8 @@ static void ironlake_enable_drps(struct drm_device *dev) spin_unlock_irq(&mchdev_lock); } -static void ironlake_disable_drps(struct drm_device *dev) +static void ironlake_disable_drps(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u16 rgvswctl; spin_lock_irq(&mchdev_lock); @@ -4280,7 +4608,7 @@ static void ironlake_disable_drps(struct drm_device *dev) I915_WRITE(DEIMR, I915_READ(DEIMR) | DE_PCU_EVENT); /* Go back to the starting frequency */ - ironlake_set_drps(dev, dev_priv->ips.fstart); + ironlake_set_drps(dev_priv, dev_priv->ips.fstart); mdelay(1); rgvswctl |= MEMCTL_CMD_STS; I915_WRITE(MEMSWCTL, rgvswctl); @@ -4424,12 +4752,10 @@ static u32 gen6_rps_pm_mask(struct drm_i915_private *dev_priv, u8 val) /* gen6_set_rps is called to update the frequency request, but should also be * called when the range (min_delay and max_delay) is modified so that we can * update the GEN6_RP_INTERRUPT_LIMITS register accordingly. */ -static void gen6_set_rps(struct drm_device *dev, u8 val) +static void gen6_set_rps(struct drm_i915_private *dev_priv, u8 val) { - struct drm_i915_private *dev_priv = dev->dev_private; - /* WaGsvDisableTurbo: Workaround to disable turbo on BXT A* */ - if (IS_BXT_REVID(dev, 0, BXT_REVID_A1)) + if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) return; WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock)); @@ -4442,10 +4768,10 @@ static void gen6_set_rps(struct drm_device *dev, u8 val) if (val != dev_priv->rps.cur_freq) { gen6_set_rps_thresholds(dev_priv, val); - if (IS_GEN9(dev)) + if (IS_GEN9(dev_priv)) I915_WRITE(GEN6_RPNSWREQ, GEN9_FREQUENCY(val)); - else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) + else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) I915_WRITE(GEN6_RPNSWREQ, HSW_FREQUENCY(val)); else @@ -4467,15 +4793,13 @@ static void gen6_set_rps(struct drm_device *dev, u8 val) trace_intel_gpu_freq_change(intel_gpu_freq(dev_priv, val)); } -static void valleyview_set_rps(struct drm_device *dev, u8 val) +static void valleyview_set_rps(struct drm_i915_private *dev_priv, u8 val) { - struct drm_i915_private *dev_priv = dev->dev_private; - WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock)); WARN_ON(val > dev_priv->rps.max_freq); WARN_ON(val < dev_priv->rps.min_freq); - if (WARN_ONCE(IS_CHERRYVIEW(dev) && (val & 1), + if (WARN_ONCE(IS_CHERRYVIEW(dev_priv) && (val & 1), "Odd GPU freq value\n")) val &= ~1; @@ -4508,7 +4832,7 @@ static void vlv_set_rps_idle(struct drm_i915_private *dev_priv) /* Wake up the media well, as that takes a lot less * power than the Render well. */ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_MEDIA); - valleyview_set_rps(dev_priv->dev, val); + valleyview_set_rps(dev_priv, val); intel_uncore_forcewake_put(dev_priv, FORCEWAKE_MEDIA); } @@ -4526,14 +4850,12 @@ void gen6_rps_busy(struct drm_i915_private *dev_priv) void gen6_rps_idle(struct drm_i915_private *dev_priv) { - struct drm_device *dev = dev_priv->dev; - mutex_lock(&dev_priv->rps.hw_lock); if (dev_priv->rps.enabled) { - if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) + if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) vlv_set_rps_idle(dev_priv); else - gen6_set_rps(dev_priv->dev, dev_priv->rps.idle_freq); + gen6_set_rps(dev_priv, dev_priv->rps.idle_freq); dev_priv->rps.last_adj = 0; I915_WRITE(GEN6_PMINTRMSK, 0xffffffff); } @@ -4581,49 +4903,39 @@ void gen6_rps_boost(struct drm_i915_private *dev_priv, spin_unlock(&dev_priv->rps.client_lock); } -void intel_set_rps(struct drm_device *dev, u8 val) +void intel_set_rps(struct drm_i915_private *dev_priv, u8 val) { - if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) - valleyview_set_rps(dev, val); + if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) + valleyview_set_rps(dev_priv, val); else - gen6_set_rps(dev, val); + gen6_set_rps(dev_priv, val); } -static void gen9_disable_rc6(struct drm_device *dev) +static void gen9_disable_rc6(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - I915_WRITE(GEN6_RC_CONTROL, 0); I915_WRITE(GEN9_PG_ENABLE, 0); } -static void gen9_disable_rps(struct drm_device *dev) +static void gen9_disable_rps(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - I915_WRITE(GEN6_RP_CONTROL, 0); } -static void gen6_disable_rps(struct drm_device *dev) +static void gen6_disable_rps(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - I915_WRITE(GEN6_RC_CONTROL, 0); I915_WRITE(GEN6_RPNSWREQ, 1 << 31); I915_WRITE(GEN6_RP_CONTROL, 0); } -static void cherryview_disable_rps(struct drm_device *dev) +static void cherryview_disable_rps(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - I915_WRITE(GEN6_RC_CONTROL, 0); } -static void valleyview_disable_rps(struct drm_device *dev) +static void valleyview_disable_rps(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - /* we're doing forcewake before Disabling RC6, * This what the BIOS expects when going into suspend */ intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); @@ -4633,15 +4945,15 @@ static void valleyview_disable_rps(struct drm_device *dev) intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); } -static void intel_print_rc6_info(struct drm_device *dev, u32 mode) +static void intel_print_rc6_info(struct drm_i915_private *dev_priv, u32 mode) { - if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { + if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { if (mode & (GEN7_RC_CTL_TO_MODE | GEN6_RC_CTL_EI_MODE(1))) mode = GEN6_RC_CTL_RC6_ENABLE; else mode = 0; } - if (HAS_RC6p(dev)) + if (HAS_RC6p(dev_priv)) DRM_DEBUG_KMS("Enabling RC6 states: RC6 %s RC6p %s RC6pp %s\n", onoff(mode & GEN6_RC_CTL_RC6_ENABLE), onoff(mode & GEN6_RC_CTL_RC6p_ENABLE), @@ -4652,9 +4964,8 @@ static void intel_print_rc6_info(struct drm_device *dev, u32 mode) onoff(mode & GEN6_RC_CTL_RC6_ENABLE)); } -static bool bxt_check_bios_rc6_setup(const struct drm_device *dev) +static bool bxt_check_bios_rc6_setup(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct i915_ggtt *ggtt = &dev_priv->ggtt; bool enable_rc6 = true; unsigned long rc6_ctx_base; @@ -4695,16 +5006,16 @@ static bool bxt_check_bios_rc6_setup(const struct drm_device *dev) return enable_rc6; } -int sanitize_rc6_option(const struct drm_device *dev, int enable_rc6) +int sanitize_rc6_option(struct drm_i915_private *dev_priv, int enable_rc6) { /* No RC6 before Ironlake and code is gone for ilk. */ - if (INTEL_INFO(dev)->gen < 6) + if (INTEL_INFO(dev_priv)->gen < 6) return 0; if (!enable_rc6) return 0; - if (IS_BROXTON(dev) && !bxt_check_bios_rc6_setup(dev)) { + if (IS_BROXTON(dev_priv) && !bxt_check_bios_rc6_setup(dev_priv)) { DRM_INFO("RC6 disabled by BIOS\n"); return 0; } @@ -4713,7 +5024,7 @@ int sanitize_rc6_option(const struct drm_device *dev, int enable_rc6) if (enable_rc6 >= 0) { int mask; - if (HAS_RC6p(dev)) + if (HAS_RC6p(dev_priv)) mask = INTEL_RC6_ENABLE | INTEL_RC6p_ENABLE | INTEL_RC6pp_ENABLE; else @@ -4726,20 +5037,14 @@ int sanitize_rc6_option(const struct drm_device *dev, int enable_rc6) return enable_rc6 & mask; } - if (IS_IVYBRIDGE(dev)) + if (IS_IVYBRIDGE(dev_priv)) return (INTEL_RC6_ENABLE | INTEL_RC6p_ENABLE); return INTEL_RC6_ENABLE; } -int intel_enable_rc6(const struct drm_device *dev) +static void gen6_init_rps_frequencies(struct drm_i915_private *dev_priv) { - return i915.enable_rc6; -} - -static void gen6_init_rps_frequencies(struct drm_device *dev) -{ - struct drm_i915_private *dev_priv = dev->dev_private; uint32_t rp_state_cap; u32 ddcc_status = 0; int ret; @@ -4747,7 +5052,7 @@ static void gen6_init_rps_frequencies(struct drm_device *dev) /* All of these values are in units of 50MHz */ dev_priv->rps.cur_freq = 0; /* static values from HW: RP0 > RP1 > RPn (min_freq) */ - if (IS_BROXTON(dev)) { + if (IS_BROXTON(dev_priv)) { rp_state_cap = I915_READ(BXT_RP_STATE_CAP); dev_priv->rps.rp0_freq = (rp_state_cap >> 16) & 0xff; dev_priv->rps.rp1_freq = (rp_state_cap >> 8) & 0xff; @@ -4763,8 +5068,8 @@ static void gen6_init_rps_frequencies(struct drm_device *dev) dev_priv->rps.max_freq = dev_priv->rps.rp0_freq; dev_priv->rps.efficient_freq = dev_priv->rps.rp1_freq; - if (IS_HASWELL(dev) || IS_BROADWELL(dev) || - IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) { + if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv) || + IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { ret = sandybridge_pcode_read(dev_priv, HSW_PCODE_DYNAMIC_DUTY_CYCLE_CONTROL, &ddcc_status); @@ -4776,7 +5081,7 @@ static void gen6_init_rps_frequencies(struct drm_device *dev) dev_priv->rps.max_freq); } - if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) { + if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { /* Store the frequency values in 16.66 MHZ units, which is the natural hardware unit for SKL */ dev_priv->rps.rp0_freq *= GEN9_FREQ_SCALER; @@ -4793,7 +5098,7 @@ static void gen6_init_rps_frequencies(struct drm_device *dev) dev_priv->rps.max_freq_softlimit = dev_priv->rps.max_freq; if (dev_priv->rps.min_freq_softlimit == 0) { - if (IS_HASWELL(dev) || IS_BROADWELL(dev)) + if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) dev_priv->rps.min_freq_softlimit = max_t(int, dev_priv->rps.efficient_freq, intel_freq_opcode(dev_priv, 450)); @@ -4804,16 +5109,14 @@ static void gen6_init_rps_frequencies(struct drm_device *dev) } /* See the Gen9_GT_PM_Programming_Guide doc for the below */ -static void gen9_enable_rps(struct drm_device *dev) +static void gen9_enable_rps(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); - gen6_init_rps_frequencies(dev); + gen6_init_rps_frequencies(dev_priv); /* WaGsvDisableTurbo: Workaround to disable turbo on BXT A* */ - if (IS_BXT_REVID(dev, 0, BXT_REVID_A1)) { + if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) { /* * BIOS could leave the Hw Turbo enabled, so need to explicitly * clear out the Control register just to avoid inconsitency @@ -4823,7 +5126,7 @@ static void gen9_enable_rps(struct drm_device *dev) * if the Turbo is left enabled in the Control register, as the * Up/Down interrupts would remain masked. */ - gen9_disable_rps(dev); + gen9_disable_rps(dev_priv); intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); return; } @@ -4842,14 +5145,13 @@ static void gen9_enable_rps(struct drm_device *dev) * Up/Down EI & threshold registers, as well as the RP_CONTROL, * RP_INTERRUPT_LIMITS & RPNSWREQ registers */ dev_priv->rps.power = HIGH_POWER; /* force a reset */ - gen6_set_rps(dev_priv->dev, dev_priv->rps.idle_freq); + gen6_set_rps(dev_priv, dev_priv->rps.idle_freq); intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); } -static void gen9_enable_rc6(struct drm_device *dev) +static void gen9_enable_rc6(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_engine_cs *engine; uint32_t rc6_mask = 0; @@ -4866,7 +5168,7 @@ static void gen9_enable_rc6(struct drm_device *dev) /* 2b: Program RC6 thresholds.*/ /* WaRsDoubleRc6WrlWithCoarsePowerGating: Doubling WRL only when CPG is enabled */ - if (IS_SKYLAKE(dev)) + if (IS_SKYLAKE(dev_priv)) I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 108 << 16); else I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 54 << 16); @@ -4875,7 +5177,7 @@ static void gen9_enable_rc6(struct drm_device *dev) for_each_engine(engine, dev_priv) I915_WRITE(RING_MAX_IDLE(engine->mmio_base), 10); - if (HAS_GUC_UCODE(dev)) + if (HAS_GUC(dev_priv)) I915_WRITE(GUC_MAX_IDLE_COUNT, 0xA); I915_WRITE(GEN6_RC_SLEEP, 0); @@ -4885,12 +5187,12 @@ static void gen9_enable_rc6(struct drm_device *dev) I915_WRITE(GEN9_RENDER_PG_IDLE_HYSTERESIS, 25); /* 3a: Enable RC6 */ - if (intel_enable_rc6(dev) & INTEL_RC6_ENABLE) + if (intel_enable_rc6() & INTEL_RC6_ENABLE) rc6_mask = GEN6_RC_CTL_RC6_ENABLE; DRM_INFO("RC6 %s\n", onoff(rc6_mask & GEN6_RC_CTL_RC6_ENABLE)); /* WaRsUseTimeoutMode */ - if (IS_SKL_REVID(dev, 0, SKL_REVID_D0) || - IS_BXT_REVID(dev, 0, BXT_REVID_A1)) { + if (IS_SKL_REVID(dev_priv, 0, SKL_REVID_D0) || + IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) { I915_WRITE(GEN6_RC6_THRESHOLD, 625); /* 800us */ I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE | GEN7_RC_CTL_TO_MODE | @@ -4906,19 +5208,17 @@ static void gen9_enable_rc6(struct drm_device *dev) * 3b: Enable Coarse Power Gating only when RC6 is enabled. * WaRsDisableCoarsePowerGating:skl,bxt - Render/Media PG need to be disabled with RC6. */ - if (NEEDS_WaRsDisableCoarsePowerGating(dev)) + if (NEEDS_WaRsDisableCoarsePowerGating(dev_priv)) I915_WRITE(GEN9_PG_ENABLE, 0); else I915_WRITE(GEN9_PG_ENABLE, (rc6_mask & GEN6_RC_CTL_RC6_ENABLE) ? (GEN9_RENDER_PG_ENABLE | GEN9_MEDIA_PG_ENABLE) : 0); intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); - } -static void gen8_enable_rps(struct drm_device *dev) +static void gen8_enable_rps(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_engine_cs *engine; uint32_t rc6_mask = 0; @@ -4933,7 +5233,7 @@ static void gen8_enable_rps(struct drm_device *dev) I915_WRITE(GEN6_RC_CONTROL, 0); /* Initialize rps frequencies */ - gen6_init_rps_frequencies(dev); + gen6_init_rps_frequencies(dev_priv); /* 2b: Program RC6 thresholds.*/ I915_WRITE(GEN6_RC6_WAKE_RATE_LIMIT, 40 << 16); @@ -4942,16 +5242,16 @@ static void gen8_enable_rps(struct drm_device *dev) for_each_engine(engine, dev_priv) I915_WRITE(RING_MAX_IDLE(engine->mmio_base), 10); I915_WRITE(GEN6_RC_SLEEP, 0); - if (IS_BROADWELL(dev)) + if (IS_BROADWELL(dev_priv)) I915_WRITE(GEN6_RC6_THRESHOLD, 625); /* 800us/1.28 for TO */ else I915_WRITE(GEN6_RC6_THRESHOLD, 50000); /* 50/125ms per EI */ /* 3: Enable RC6 */ - if (intel_enable_rc6(dev) & INTEL_RC6_ENABLE) + if (intel_enable_rc6() & INTEL_RC6_ENABLE) rc6_mask = GEN6_RC_CTL_RC6_ENABLE; - intel_print_rc6_info(dev, rc6_mask); - if (IS_BROADWELL(dev)) + intel_print_rc6_info(dev_priv, rc6_mask); + if (IS_BROADWELL(dev_priv)) I915_WRITE(GEN6_RC_CONTROL, GEN6_RC_CTL_HW_ENABLE | GEN7_RC_CTL_TO_MODE | rc6_mask); @@ -4992,14 +5292,13 @@ static void gen8_enable_rps(struct drm_device *dev) /* 6: Ring frequency + overclocking (our driver does this later */ dev_priv->rps.power = HIGH_POWER; /* force a reset */ - gen6_set_rps(dev_priv->dev, dev_priv->rps.idle_freq); + gen6_set_rps(dev_priv, dev_priv->rps.idle_freq); intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); } -static void gen6_enable_rps(struct drm_device *dev) +static void gen6_enable_rps(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_engine_cs *engine; u32 rc6vids, pcu_mbox = 0, rc6_mask = 0; u32 gtfifodbg; @@ -5026,7 +5325,7 @@ static void gen6_enable_rps(struct drm_device *dev) intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); /* Initialize rps frequencies */ - gen6_init_rps_frequencies(dev); + gen6_init_rps_frequencies(dev_priv); /* disable the counters and set deterministic thresholds */ I915_WRITE(GEN6_RC_CONTROL, 0); @@ -5042,7 +5341,7 @@ static void gen6_enable_rps(struct drm_device *dev) I915_WRITE(GEN6_RC_SLEEP, 0); I915_WRITE(GEN6_RC1e_THRESHOLD, 1000); - if (IS_IVYBRIDGE(dev)) + if (IS_IVYBRIDGE(dev_priv)) I915_WRITE(GEN6_RC6_THRESHOLD, 125000); else I915_WRITE(GEN6_RC6_THRESHOLD, 50000); @@ -5050,12 +5349,12 @@ static void gen6_enable_rps(struct drm_device *dev) I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */ /* Check if we are enabling RC6 */ - rc6_mode = intel_enable_rc6(dev_priv->dev); + rc6_mode = intel_enable_rc6(); if (rc6_mode & INTEL_RC6_ENABLE) rc6_mask |= GEN6_RC_CTL_RC6_ENABLE; /* We don't use those on Haswell */ - if (!IS_HASWELL(dev)) { + if (!IS_HASWELL(dev_priv)) { if (rc6_mode & INTEL_RC6p_ENABLE) rc6_mask |= GEN6_RC_CTL_RC6p_ENABLE; @@ -5063,7 +5362,7 @@ static void gen6_enable_rps(struct drm_device *dev) rc6_mask |= GEN6_RC_CTL_RC6pp_ENABLE; } - intel_print_rc6_info(dev, rc6_mask); + intel_print_rc6_info(dev_priv, rc6_mask); I915_WRITE(GEN6_RC_CONTROL, rc6_mask | @@ -5087,13 +5386,13 @@ static void gen6_enable_rps(struct drm_device *dev) } dev_priv->rps.power = HIGH_POWER; /* force a reset */ - gen6_set_rps(dev_priv->dev, dev_priv->rps.idle_freq); + gen6_set_rps(dev_priv, dev_priv->rps.idle_freq); rc6vids = 0; ret = sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids); - if (IS_GEN6(dev) && ret) { + if (IS_GEN6(dev_priv) && ret) { DRM_DEBUG_DRIVER("Couldn't check for BIOS workaround\n"); - } else if (IS_GEN6(dev) && (GEN6_DECODE_RC6_VID(rc6vids & 0xff) < 450)) { + } else if (IS_GEN6(dev_priv) && (GEN6_DECODE_RC6_VID(rc6vids & 0xff) < 450)) { DRM_DEBUG_DRIVER("You should update your BIOS. Correcting minimum rc6 voltage (%dmV->%dmV)\n", GEN6_DECODE_RC6_VID(rc6vids & 0xff), 450); rc6vids &= 0xffff00; @@ -5106,9 +5405,8 @@ static void gen6_enable_rps(struct drm_device *dev) intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); } -static void __gen6_update_ring_freq(struct drm_device *dev) +static void __gen6_update_ring_freq(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; int min_freq = 15; unsigned int gpu_freq; unsigned int max_ia_freq, min_ring_freq; @@ -5137,7 +5435,7 @@ static void __gen6_update_ring_freq(struct drm_device *dev) /* convert DDR frequency from units of 266.6MHz to bandwidth */ min_ring_freq = mult_frac(min_ring_freq, 8, 3); - if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) { + if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { /* Convert GT frequency to 50 HZ units */ min_gpu_freq = dev_priv->rps.min_freq / GEN9_FREQ_SCALER; max_gpu_freq = dev_priv->rps.max_freq / GEN9_FREQ_SCALER; @@ -5155,16 +5453,16 @@ static void __gen6_update_ring_freq(struct drm_device *dev) int diff = max_gpu_freq - gpu_freq; unsigned int ia_freq = 0, ring_freq = 0; - if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) { + if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) { /* * ring_freq = 2 * GT. ring_freq is in 100MHz units * No floor required for ring frequency on SKL. */ ring_freq = gpu_freq; - } else if (INTEL_INFO(dev)->gen >= 8) { + } else if (INTEL_INFO(dev_priv)->gen >= 8) { /* max(2 * GT, DDR). NB: GT is 50MHz units */ ring_freq = max(min_ring_freq, gpu_freq); - } else if (IS_HASWELL(dev)) { + } else if (IS_HASWELL(dev_priv)) { ring_freq = mult_frac(gpu_freq, 5, 4); ring_freq = max(min_ring_freq, ring_freq); /* leave ia_freq as the default, chosen by cpufreq */ @@ -5191,26 +5489,23 @@ static void __gen6_update_ring_freq(struct drm_device *dev) } } -void gen6_update_ring_freq(struct drm_device *dev) +void gen6_update_ring_freq(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - - if (!HAS_CORE_RING_FREQ(dev)) + if (!HAS_CORE_RING_FREQ(dev_priv)) return; mutex_lock(&dev_priv->rps.hw_lock); - __gen6_update_ring_freq(dev); + __gen6_update_ring_freq(dev_priv); mutex_unlock(&dev_priv->rps.hw_lock); } static int cherryview_rps_max_freq(struct drm_i915_private *dev_priv) { - struct drm_device *dev = dev_priv->dev; u32 val, rp0; val = vlv_punit_read(dev_priv, FB_GFX_FMAX_AT_VMAX_FUSE); - switch (INTEL_INFO(dev)->eu_total) { + switch (INTEL_INFO(dev_priv)->eu_total) { case 8: /* (2 * 4) config */ rp0 = (val >> FB_GFX_FMAX_AT_VMAX_2SS4EU_FUSE_SHIFT); @@ -5321,9 +5616,8 @@ static void cherryview_check_pctx(struct drm_i915_private *dev_priv) WARN_ON((pctx_addr >> VLV_PCBR_ADDR_SHIFT) == 0); } -static void cherryview_setup_pctx(struct drm_device *dev) +static void cherryview_setup_pctx(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = to_i915(dev); struct i915_ggtt *ggtt = &dev_priv->ggtt; unsigned long pctx_paddr, paddr; u32 pcbr; @@ -5342,15 +5636,14 @@ static void cherryview_setup_pctx(struct drm_device *dev) DRM_DEBUG_DRIVER("PCBR: 0x%08x\n", I915_READ(VLV_PCBR)); } -static void valleyview_setup_pctx(struct drm_device *dev) +static void valleyview_setup_pctx(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct drm_i915_gem_object *pctx; unsigned long pctx_paddr; u32 pcbr; int pctx_size = 24*1024; - mutex_lock(&dev->struct_mutex); + mutex_lock(&dev_priv->dev->struct_mutex); pcbr = I915_READ(VLV_PCBR); if (pcbr) { @@ -5375,7 +5668,7 @@ static void valleyview_setup_pctx(struct drm_device *dev) * overlap with other ranges, such as the frame buffer, protected * memory, or any other relevant ranges. */ - pctx = i915_gem_object_create_stolen(dev, pctx_size); + pctx = i915_gem_object_create_stolen(dev_priv->dev, pctx_size); if (!pctx) { DRM_DEBUG("not enough stolen space for PCTX, disabling\n"); goto out; @@ -5387,13 +5680,11 @@ static void valleyview_setup_pctx(struct drm_device *dev) out: DRM_DEBUG_DRIVER("PCBR: 0x%08x\n", I915_READ(VLV_PCBR)); dev_priv->vlv_pctx = pctx; - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&dev_priv->dev->struct_mutex); } -static void valleyview_cleanup_pctx(struct drm_device *dev) +static void valleyview_cleanup_pctx(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - if (WARN_ON(!dev_priv->vlv_pctx)) return; @@ -5412,12 +5703,11 @@ static void vlv_init_gpll_ref_freq(struct drm_i915_private *dev_priv) dev_priv->rps.gpll_ref_freq); } -static void valleyview_init_gt_powersave(struct drm_device *dev) +static void valleyview_init_gt_powersave(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 val; - valleyview_setup_pctx(dev); + valleyview_setup_pctx(dev_priv); vlv_init_gpll_ref_freq(dev_priv); @@ -5471,12 +5761,11 @@ static void valleyview_init_gt_powersave(struct drm_device *dev) mutex_unlock(&dev_priv->rps.hw_lock); } -static void cherryview_init_gt_powersave(struct drm_device *dev) +static void cherryview_init_gt_powersave(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 val; - cherryview_setup_pctx(dev); + cherryview_setup_pctx(dev_priv); vlv_init_gpll_ref_freq(dev_priv); @@ -5536,14 +5825,13 @@ static void cherryview_init_gt_powersave(struct drm_device *dev) mutex_unlock(&dev_priv->rps.hw_lock); } -static void valleyview_cleanup_gt_powersave(struct drm_device *dev) +static void valleyview_cleanup_gt_powersave(struct drm_i915_private *dev_priv) { - valleyview_cleanup_pctx(dev); + valleyview_cleanup_pctx(dev_priv); } -static void cherryview_enable_rps(struct drm_device *dev) +static void cherryview_enable_rps(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_engine_cs *engine; u32 gtfifodbg, val, rc6_mode = 0, pcbr; @@ -5588,8 +5876,8 @@ static void cherryview_enable_rps(struct drm_device *dev) pcbr = I915_READ(VLV_PCBR); /* 3: Enable RC6 */ - if ((intel_enable_rc6(dev) & INTEL_RC6_ENABLE) && - (pcbr >> VLV_PCBR_ADDR_SHIFT)) + if ((intel_enable_rc6() & INTEL_RC6_ENABLE) && + (pcbr >> VLV_PCBR_ADDR_SHIFT)) rc6_mode = GEN7_RC_CTL_TO_MODE; I915_WRITE(GEN6_RC_CONTROL, rc6_mode); @@ -5634,14 +5922,13 @@ static void cherryview_enable_rps(struct drm_device *dev) intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq), dev_priv->rps.idle_freq); - valleyview_set_rps(dev_priv->dev, dev_priv->rps.idle_freq); + valleyview_set_rps(dev_priv, dev_priv->rps.idle_freq); intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); } -static void valleyview_enable_rps(struct drm_device *dev) +static void valleyview_enable_rps(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; struct intel_engine_cs *engine; u32 gtfifodbg, val, rc6_mode = 0; @@ -5694,10 +5981,10 @@ static void valleyview_enable_rps(struct drm_device *dev) VLV_MEDIA_RC6_COUNT_EN | VLV_RENDER_RC6_COUNT_EN)); - if (intel_enable_rc6(dev) & INTEL_RC6_ENABLE) + if (intel_enable_rc6() & INTEL_RC6_ENABLE) rc6_mode = GEN7_RC_CTL_TO_MODE | VLV_RC_CTL_CTX_RST_PARALLEL; - intel_print_rc6_info(dev, rc6_mode); + intel_print_rc6_info(dev_priv, rc6_mode); I915_WRITE(GEN6_RC_CONTROL, rc6_mode); @@ -5724,7 +6011,7 @@ static void valleyview_enable_rps(struct drm_device *dev) intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq), dev_priv->rps.idle_freq); - valleyview_set_rps(dev_priv->dev, dev_priv->rps.idle_freq); + valleyview_set_rps(dev_priv, dev_priv->rps.idle_freq); intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); } @@ -5814,10 +6101,9 @@ static unsigned long __i915_chipset_val(struct drm_i915_private *dev_priv) unsigned long i915_chipset_val(struct drm_i915_private *dev_priv) { - struct drm_device *dev = dev_priv->dev; unsigned long val; - if (INTEL_INFO(dev)->gen != 5) + if (INTEL_INFO(dev_priv)->gen != 5) return 0; spin_lock_irq(&mchdev_lock); @@ -5857,11 +6143,10 @@ static int _pxvid_to_vd(u8 pxvid) static u32 pvid_to_extvid(struct drm_i915_private *dev_priv, u8 pxvid) { - struct drm_device *dev = dev_priv->dev; const int vd = _pxvid_to_vd(pxvid); const int vm = vd - 1125; - if (INTEL_INFO(dev)->is_mobile) + if (INTEL_INFO(dev_priv)->is_mobile) return vm > 0 ? vm : 0; return vd; @@ -5902,9 +6187,7 @@ static void __i915_update_gfx_val(struct drm_i915_private *dev_priv) void i915_update_gfx_val(struct drm_i915_private *dev_priv) { - struct drm_device *dev = dev_priv->dev; - - if (INTEL_INFO(dev)->gen != 5) + if (INTEL_INFO(dev_priv)->gen != 5) return; spin_lock_irq(&mchdev_lock); @@ -5953,10 +6236,9 @@ static unsigned long __i915_gfx_val(struct drm_i915_private *dev_priv) unsigned long i915_gfx_val(struct drm_i915_private *dev_priv) { - struct drm_device *dev = dev_priv->dev; unsigned long val; - if (INTEL_INFO(dev)->gen != 5) + if (INTEL_INFO(dev_priv)->gen != 5) return 0; spin_lock_irq(&mchdev_lock); @@ -6097,7 +6379,7 @@ bool i915_gpu_turbo_disable(void) dev_priv->ips.max_delay = dev_priv->ips.fstart; - if (!ironlake_set_drps(dev_priv->dev, dev_priv->ips.fstart)) + if (!ironlake_set_drps(dev_priv, dev_priv->ips.fstart)) ret = false; out_unlock: @@ -6145,9 +6427,8 @@ void intel_gpu_ips_teardown(void) spin_unlock_irq(&mchdev_lock); } -static void intel_init_emon(struct drm_device *dev) +static void intel_init_emon(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; u32 lcfuse; u8 pxw[16]; int i; @@ -6216,10 +6497,8 @@ static void intel_init_emon(struct drm_device *dev) dev_priv->ips.corr = (lcfuse & LCFUSE_HIV_MASK); } -void intel_init_gt_powersave(struct drm_device *dev) +void intel_init_gt_powersave(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - /* * RPM depends on RC6 to save restore the GT HW context, so make RC6 a * requirement. @@ -6229,74 +6508,66 @@ void intel_init_gt_powersave(struct drm_device *dev) intel_runtime_pm_get(dev_priv); } - if (IS_CHERRYVIEW(dev)) - cherryview_init_gt_powersave(dev); - else if (IS_VALLEYVIEW(dev)) - valleyview_init_gt_powersave(dev); + if (IS_CHERRYVIEW(dev_priv)) + cherryview_init_gt_powersave(dev_priv); + else if (IS_VALLEYVIEW(dev_priv)) + valleyview_init_gt_powersave(dev_priv); } -void intel_cleanup_gt_powersave(struct drm_device *dev) +void intel_cleanup_gt_powersave(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - - if (IS_CHERRYVIEW(dev)) + if (IS_CHERRYVIEW(dev_priv)) return; - else if (IS_VALLEYVIEW(dev)) - valleyview_cleanup_gt_powersave(dev); + else if (IS_VALLEYVIEW(dev_priv)) + valleyview_cleanup_gt_powersave(dev_priv); if (!i915.enable_rc6) intel_runtime_pm_put(dev_priv); } -static void gen6_suspend_rps(struct drm_device *dev) +static void gen6_suspend_rps(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - flush_delayed_work(&dev_priv->rps.delayed_resume_work); - gen6_disable_rps_interrupts(dev); + gen6_disable_rps_interrupts(dev_priv); } /** * intel_suspend_gt_powersave - suspend PM work and helper threads - * @dev: drm device + * @dev_priv: i915 device * * We don't want to disable RC6 or other features here, we just want * to make sure any work we've queued has finished and won't bother * us while we're suspended. */ -void intel_suspend_gt_powersave(struct drm_device *dev) +void intel_suspend_gt_powersave(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - - if (INTEL_INFO(dev)->gen < 6) + if (INTEL_GEN(dev_priv) < 6) return; - gen6_suspend_rps(dev); + gen6_suspend_rps(dev_priv); /* Force GPU to min freq during suspend */ gen6_rps_idle(dev_priv); } -void intel_disable_gt_powersave(struct drm_device *dev) +void intel_disable_gt_powersave(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - - if (IS_IRONLAKE_M(dev)) { - ironlake_disable_drps(dev); - } else if (INTEL_INFO(dev)->gen >= 6) { - intel_suspend_gt_powersave(dev); + if (IS_IRONLAKE_M(dev_priv)) { + ironlake_disable_drps(dev_priv); + } else if (INTEL_INFO(dev_priv)->gen >= 6) { + intel_suspend_gt_powersave(dev_priv); mutex_lock(&dev_priv->rps.hw_lock); - if (INTEL_INFO(dev)->gen >= 9) { - gen9_disable_rc6(dev); - gen9_disable_rps(dev); - } else if (IS_CHERRYVIEW(dev)) - cherryview_disable_rps(dev); - else if (IS_VALLEYVIEW(dev)) - valleyview_disable_rps(dev); + if (INTEL_INFO(dev_priv)->gen >= 9) { + gen9_disable_rc6(dev_priv); + gen9_disable_rps(dev_priv); + } else if (IS_CHERRYVIEW(dev_priv)) + cherryview_disable_rps(dev_priv); + else if (IS_VALLEYVIEW(dev_priv)) + valleyview_disable_rps(dev_priv); else - gen6_disable_rps(dev); + gen6_disable_rps(dev_priv); dev_priv->rps.enabled = false; mutex_unlock(&dev_priv->rps.hw_lock); @@ -6308,27 +6579,26 @@ static void intel_gen6_powersave_work(struct work_struct *work) struct drm_i915_private *dev_priv = container_of(work, struct drm_i915_private, rps.delayed_resume_work.work); - struct drm_device *dev = dev_priv->dev; mutex_lock(&dev_priv->rps.hw_lock); - gen6_reset_rps_interrupts(dev); + gen6_reset_rps_interrupts(dev_priv); - if (IS_CHERRYVIEW(dev)) { - cherryview_enable_rps(dev); - } else if (IS_VALLEYVIEW(dev)) { - valleyview_enable_rps(dev); - } else if (INTEL_INFO(dev)->gen >= 9) { - gen9_enable_rc6(dev); - gen9_enable_rps(dev); - if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) - __gen6_update_ring_freq(dev); - } else if (IS_BROADWELL(dev)) { - gen8_enable_rps(dev); - __gen6_update_ring_freq(dev); + if (IS_CHERRYVIEW(dev_priv)) { + cherryview_enable_rps(dev_priv); + } else if (IS_VALLEYVIEW(dev_priv)) { + valleyview_enable_rps(dev_priv); + } else if (INTEL_INFO(dev_priv)->gen >= 9) { + gen9_enable_rc6(dev_priv); + gen9_enable_rps(dev_priv); + if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) + __gen6_update_ring_freq(dev_priv); + } else if (IS_BROADWELL(dev_priv)) { + gen8_enable_rps(dev_priv); + __gen6_update_ring_freq(dev_priv); } else { - gen6_enable_rps(dev); - __gen6_update_ring_freq(dev); + gen6_enable_rps(dev_priv); + __gen6_update_ring_freq(dev_priv); } WARN_ON(dev_priv->rps.max_freq < dev_priv->rps.min_freq); @@ -6339,27 +6609,25 @@ static void intel_gen6_powersave_work(struct work_struct *work) dev_priv->rps.enabled = true; - gen6_enable_rps_interrupts(dev); + gen6_enable_rps_interrupts(dev_priv); mutex_unlock(&dev_priv->rps.hw_lock); intel_runtime_pm_put(dev_priv); } -void intel_enable_gt_powersave(struct drm_device *dev) +void intel_enable_gt_powersave(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - /* Powersaving is controlled by the host when inside a VM */ - if (intel_vgpu_active(dev)) + if (intel_vgpu_active(dev_priv)) return; - if (IS_IRONLAKE_M(dev)) { - ironlake_enable_drps(dev); - mutex_lock(&dev->struct_mutex); - intel_init_emon(dev); - mutex_unlock(&dev->struct_mutex); - } else if (INTEL_INFO(dev)->gen >= 6) { + if (IS_IRONLAKE_M(dev_priv)) { + ironlake_enable_drps(dev_priv); + mutex_lock(&dev_priv->dev->struct_mutex); + intel_init_emon(dev_priv); + mutex_unlock(&dev_priv->dev->struct_mutex); + } else if (INTEL_INFO(dev_priv)->gen >= 6) { /* * PCU communication is slow and this doesn't need to be * done at any specific time, so do this out of our fast path @@ -6378,14 +6646,12 @@ void intel_enable_gt_powersave(struct drm_device *dev) } } -void intel_reset_gt_powersave(struct drm_device *dev) +void intel_reset_gt_powersave(struct drm_i915_private *dev_priv) { - struct drm_i915_private *dev_priv = dev->dev_private; - - if (INTEL_INFO(dev)->gen < 6) + if (INTEL_INFO(dev_priv)->gen < 6) return; - gen6_suspend_rps(dev); + gen6_suspend_rps(dev_priv); dev_priv->rps.enabled = false; } @@ -6698,11 +6964,69 @@ static void lpt_suspend_hw(struct drm_device *dev) } } +static void gen8_set_l3sqc_credits(struct drm_i915_private *dev_priv, + int general_prio_credits, + int high_prio_credits) +{ + u32 misccpctl; + + /* WaTempDisableDOPClkGating:bdw */ + misccpctl = I915_READ(GEN7_MISCCPCTL); + I915_WRITE(GEN7_MISCCPCTL, misccpctl & ~GEN7_DOP_CLOCK_GATE_ENABLE); + + I915_WRITE(GEN8_L3SQCREG1, + L3_GENERAL_PRIO_CREDITS(general_prio_credits) | + L3_HIGH_PRIO_CREDITS(high_prio_credits)); + + /* + * Wait at least 100 clocks before re-enabling clock gating. + * See the definition of L3SQCREG1 in BSpec. + */ + POSTING_READ(GEN8_L3SQCREG1); + udelay(1); + I915_WRITE(GEN7_MISCCPCTL, misccpctl); +} + +static void kabylake_init_clock_gating(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + gen9_init_clock_gating(dev); + + /* WaDisableSDEUnitClockGating:kbl */ + if (IS_KBL_REVID(dev_priv, 0, KBL_REVID_B0)) + I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) | + GEN8_SDEUNIT_CLOCK_GATE_DISABLE); + + /* WaDisableGamClockGating:kbl */ + if (IS_KBL_REVID(dev_priv, 0, KBL_REVID_B0)) + I915_WRITE(GEN6_UCGCTL1, I915_READ(GEN6_UCGCTL1) | + GEN6_GAMUNIT_CLOCK_GATE_DISABLE); + + /* WaFbcNukeOnHostModify:kbl */ + I915_WRITE(ILK_DPFC_CHICKEN, I915_READ(ILK_DPFC_CHICKEN) | + ILK_DPFC_NUKE_ON_ANY_MODIFICATION); +} + +static void skylake_init_clock_gating(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + + gen9_init_clock_gating(dev); + + /* WAC6entrylatency:skl */ + I915_WRITE(FBC_LLC_READ_CTRL, I915_READ(FBC_LLC_READ_CTRL) | + FBC_LLC_FULLY_OPEN); + + /* WaFbcNukeOnHostModify:skl */ + I915_WRITE(ILK_DPFC_CHICKEN, I915_READ(ILK_DPFC_CHICKEN) | + ILK_DPFC_NUKE_ON_ANY_MODIFICATION); +} + static void broadwell_init_clock_gating(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; enum pipe pipe; - uint32_t misccpctl; ilk_init_lp_watermarks(dev); @@ -6733,20 +7057,8 @@ static void broadwell_init_clock_gating(struct drm_device *dev) I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) | GEN8_SDEUNIT_CLOCK_GATE_DISABLE); - /* - * WaProgramL3SqcReg1Default:bdw - * WaTempDisableDOPClkGating:bdw - */ - misccpctl = I915_READ(GEN7_MISCCPCTL); - I915_WRITE(GEN7_MISCCPCTL, misccpctl & ~GEN7_DOP_CLOCK_GATE_ENABLE); - I915_WRITE(GEN8_L3SQCREG1, BDW_WA_L3SQCREG1_DEFAULT); - /* - * Wait at least 100 clocks before re-enabling clock gating. See - * the definition of L3SQCREG1 in BSpec. - */ - POSTING_READ(GEN8_L3SQCREG1); - udelay(1); - I915_WRITE(GEN7_MISCCPCTL, misccpctl); + /* WaProgramL3SqcReg1Default:bdw */ + gen8_set_l3sqc_credits(dev_priv, 30, 2); /* * WaGttCachingOffByDefault:bdw @@ -6755,6 +7067,10 @@ static void broadwell_init_clock_gating(struct drm_device *dev) */ I915_WRITE(HSW_GTT_CACHE_EN, GTT_CACHE_EN_ALL); + /* WaKVMNotificationOnConfigChange:bdw */ + I915_WRITE(CHICKEN_PAR2_1, I915_READ(CHICKEN_PAR2_1) + | KVM_CONFIG_CHANGE_NOTIFICATION_SELECT); + lpt_init_clock_gating(dev); } @@ -7017,6 +7333,13 @@ static void cherryview_init_clock_gating(struct drm_device *dev) GEN8_SDEUNIT_CLOCK_GATE_DISABLE); /* + * WaProgramL3SqcReg1Default:chv + * See gfxspecs/Related Documents/Performance Guide/ + * LSQC Setting Recommendations. + */ + gen8_set_l3sqc_credits(dev_priv, 38, 2); + + /* * GTT cache may not work with big pages, so if those * are ever enabled GTT cache may need to be disabled. */ @@ -7163,9 +7486,9 @@ static void nop_init_clock_gating(struct drm_device *dev) void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv) { if (IS_SKYLAKE(dev_priv)) - dev_priv->display.init_clock_gating = nop_init_clock_gating; + dev_priv->display.init_clock_gating = skylake_init_clock_gating; else if (IS_KABYLAKE(dev_priv)) - dev_priv->display.init_clock_gating = nop_init_clock_gating; + dev_priv->display.init_clock_gating = kabylake_init_clock_gating; else if (IS_BROXTON(dev_priv)) dev_priv->display.init_clock_gating = bxt_init_clock_gating; else if (IS_BROADWELL(dev_priv)) @@ -7217,6 +7540,7 @@ void intel_init_pm(struct drm_device *dev) if (INTEL_INFO(dev)->gen >= 9) { skl_setup_wm_latency(dev); dev_priv->display.update_wm = skl_update_wm; + dev_priv->display.compute_global_watermarks = skl_compute_wm; } else if (HAS_PCH_SPLIT(dev)) { ilk_setup_wm_latency(dev); @@ -7390,19 +7714,17 @@ static void __intel_rps_boost_work(struct work_struct *work) struct drm_i915_gem_request *req = boost->req; if (!i915_gem_request_completed(req, true)) - gen6_rps_boost(to_i915(req->engine->dev), NULL, - req->emitted_jiffies); + gen6_rps_boost(req->i915, NULL, req->emitted_jiffies); - i915_gem_request_unreference__unlocked(req); + i915_gem_request_unreference(req); kfree(boost); } -void intel_queue_rps_boost_for_request(struct drm_device *dev, - struct drm_i915_gem_request *req) +void intel_queue_rps_boost_for_request(struct drm_i915_gem_request *req) { struct request_boost *boost; - if (req == NULL || INTEL_INFO(dev)->gen < 6) + if (req == NULL || INTEL_GEN(req->i915) < 6) return; if (i915_gem_request_completed(req, true)) @@ -7416,7 +7738,7 @@ void intel_queue_rps_boost_for_request(struct drm_device *dev, boost->req = req; INIT_WORK(&boost->work, __intel_rps_boost_work); - queue_work(to_i915(dev)->wq, &boost->work); + queue_work(req->i915->wq, &boost->work); } void intel_pm_setup(struct drm_device *dev) |