diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2025-09-17 23:34:43 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2025-09-18 23:41:47 +0300 |
| commit | 6559ca4a42d7976497fcf49e4c4fad9639fc1f76 (patch) | |
| tree | cef75b1c385495d9ab9e7e1d8d93cbe325347ed2 | |
| parent | a0f8dd08a55b6a5c456c0124dc9a978aa65b651c (diff) | |
drm/i915/vrr: Readout framestart_delay earlier
In order to pretend that ICL/TGL VRR hardware has a similar guardband
as on ADL+ we'll need access to framestart_delay already during
intel_vrr_get_config(). Hoist the framestart_delay to an earlier point
to make that possible.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250917203446.14374-3-ville.syrjala@linux.intel.com
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index a743d1339550..c7d85fd38890 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -3891,6 +3891,15 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc, intel_joiner_get_config(pipe_config); intel_dsc_get_config(pipe_config); + if (!transcoder_is_dsi(pipe_config->cpu_transcoder)) { + tmp = intel_de_read(display, CHICKEN_TRANS(display, pipe_config->cpu_transcoder)); + + pipe_config->framestart_delay = REG_FIELD_GET(HSW_FRAME_START_DELAY_MASK, tmp) + 1; + } else { + /* no idea if this is correct */ + pipe_config->framestart_delay = 1; + } + if (!transcoder_is_dsi(pipe_config->cpu_transcoder) || DISPLAY_VER(display) >= 11) intel_get_transcoder_timings(crtc, pipe_config); @@ -3942,15 +3951,6 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc, pipe_config->pixel_multiplier = 1; } - if (!transcoder_is_dsi(pipe_config->cpu_transcoder)) { - tmp = intel_de_read(display, CHICKEN_TRANS(display, pipe_config->cpu_transcoder)); - - pipe_config->framestart_delay = REG_FIELD_GET(HSW_FRAME_START_DELAY_MASK, tmp) + 1; - } else { - /* no idea if this is correct */ - pipe_config->framestart_delay = 1; - } - out: intel_display_power_put_all_in_set(display, &crtc->hw_readout_power_domains); |