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path: root/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
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Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a3xx_gpu.c')
-rw-r--r--drivers/gpu/drm/msm/adreno/a3xx_gpu.c148
1 files changed, 129 insertions, 19 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
index f4aa815b690a..461df93e825e 100644
--- a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c
@@ -15,6 +15,10 @@
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#ifdef CONFIG_MSM_OCMEM
+# include <mach/ocmem.h>
+#endif
+
#include "a3xx_gpu.h"
#define A3XX_INT0_MASK \
@@ -63,6 +67,7 @@ static void a3xx_me_init(struct msm_gpu *gpu)
static int a3xx_hw_init(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
+ struct a3xx_gpu *a3xx_gpu = to_a3xx_gpu(adreno_gpu);
uint32_t *ptr, len;
int i, ret;
@@ -105,6 +110,21 @@ static int a3xx_hw_init(struct msm_gpu *gpu)
gpu_write(gpu, REG_A3XX_VBIF_ABIT_SORT, 0x000000ff);
gpu_write(gpu, REG_A3XX_VBIF_ABIT_SORT_CONF, 0x000000a4);
+ } else if (adreno_is_a330v2(adreno_gpu)) {
+ /*
+ * Most of the VBIF registers on 8974v2 have the correct
+ * values at power on, so we won't modify those if we don't
+ * need to
+ */
+ /* Enable 1k sort: */
+ gpu_write(gpu, REG_A3XX_VBIF_ABIT_SORT, 0x0001003f);
+ gpu_write(gpu, REG_A3XX_VBIF_ABIT_SORT_CONF, 0x000000a4);
+ /* Enable WR-REQ: */
+ gpu_write(gpu, REG_A3XX_VBIF_GATE_OFF_WRREQ_EN, 0x00003f);
+ gpu_write(gpu, REG_A3XX_VBIF_DDR_OUT_MAX_BURST, 0x0000303);
+ /* Set up VBIF_ROUND_ROBIN_QOS_ARB: */
+ gpu_write(gpu, REG_A3XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x0003);
+
} else if (adreno_is_a330(adreno_gpu)) {
/* Set up 16 deep read/write request queues: */
gpu_write(gpu, REG_A3XX_VBIF_IN_RD_LIM_CONF0, 0x18181818);
@@ -121,10 +141,10 @@ static int a3xx_hw_init(struct msm_gpu *gpu)
/* Set up VBIF_ROUND_ROBIN_QOS_ARB: */
gpu_write(gpu, REG_A3XX_VBIF_ROUND_ROBIN_QOS_ARB, 0x0001);
/* Set up AOOO: */
- gpu_write(gpu, REG_A3XX_VBIF_OUT_AXI_AOOO_EN, 0x0000ffff);
- gpu_write(gpu, REG_A3XX_VBIF_OUT_AXI_AOOO, 0xffffffff);
+ gpu_write(gpu, REG_A3XX_VBIF_OUT_AXI_AOOO_EN, 0x0000003f);
+ gpu_write(gpu, REG_A3XX_VBIF_OUT_AXI_AOOO, 0x003f003f);
/* Enable 1K sort: */
- gpu_write(gpu, REG_A3XX_VBIF_ABIT_SORT, 0x0001ffff);
+ gpu_write(gpu, REG_A3XX_VBIF_ABIT_SORT, 0x0001003f);
gpu_write(gpu, REG_A3XX_VBIF_ABIT_SORT_CONF, 0x000000a4);
/* Disable VBIF clock gating. This is to enable AXI running
* higher frequency than GPU:
@@ -162,14 +182,23 @@ static int a3xx_hw_init(struct msm_gpu *gpu)
gpu_write(gpu, REG_A3XX_UCHE_CACHE_MODE_CONTROL_REG, 0x00000001);
/* Enable Clock gating: */
- gpu_write(gpu, REG_A3XX_RBBM_CLOCK_CTL, 0xbfffffff);
-
- /* Set the OCMEM base address for A330 */
-//TODO:
-// if (adreno_is_a330(adreno_gpu)) {
-// gpu_write(gpu, REG_A3XX_RB_GMEM_BASE_ADDR,
-// (unsigned int)(a3xx_gpu->ocmem_base >> 14));
-// }
+ if (adreno_is_a320(adreno_gpu))
+ gpu_write(gpu, REG_A3XX_RBBM_CLOCK_CTL, 0xbfffffff);
+ else if (adreno_is_a330v2(adreno_gpu))
+ gpu_write(gpu, REG_A3XX_RBBM_CLOCK_CTL, 0xaaaaaaaa);
+ else if (adreno_is_a330(adreno_gpu))
+ gpu_write(gpu, REG_A3XX_RBBM_CLOCK_CTL, 0xbffcffff);
+
+ if (adreno_is_a330v2(adreno_gpu))
+ gpu_write(gpu, REG_A3XX_RBBM_GPR0_CTL, 0x05515455);
+ else if (adreno_is_a330(adreno_gpu))
+ gpu_write(gpu, REG_A3XX_RBBM_GPR0_CTL, 0x00000000);
+
+ /* Set the OCMEM base address for A330, etc */
+ if (a3xx_gpu->ocmem_hdl) {
+ gpu_write(gpu, REG_A3XX_RB_GMEM_BASE_ADDR,
+ (unsigned int)(a3xx_gpu->ocmem_base >> 14));
+ }
/* Turn on performance counters: */
gpu_write(gpu, REG_A3XX_RBBM_PERFCTR_CTL, 0x01);
@@ -238,12 +267,19 @@ static int a3xx_hw_init(struct msm_gpu *gpu)
gpu_write(gpu, REG_A3XX_CP_PFP_UCODE_DATA, ptr[i]);
/* CP ROQ queue sizes (bytes) - RB:16, ST:16, IB1:32, IB2:64 */
- if (adreno_is_a305(adreno_gpu) || adreno_is_a320(adreno_gpu))
+ if (adreno_is_a305(adreno_gpu) || adreno_is_a320(adreno_gpu)) {
gpu_write(gpu, REG_AXXX_CP_QUEUE_THRESHOLDS,
AXXX_CP_QUEUE_THRESHOLDS_CSQ_IB1_START(2) |
AXXX_CP_QUEUE_THRESHOLDS_CSQ_IB2_START(6) |
AXXX_CP_QUEUE_THRESHOLDS_CSQ_ST_START(14));
-
+ } else if (adreno_is_a330(adreno_gpu)) {
+ /* NOTE: this (value take from downstream android driver)
+ * includes some bits outside of the known bitfields. But
+ * A330 has this "MERCIU queue" thing too, which might
+ * explain a new bitfield or reshuffling:
+ */
+ gpu_write(gpu, REG_AXXX_CP_QUEUE_THRESHOLDS, 0x003e2008);
+ }
/* clear ME_HALT to start micro engine */
gpu_write(gpu, REG_AXXX_CP_ME_CNTL, 0);
@@ -253,6 +289,14 @@ static int a3xx_hw_init(struct msm_gpu *gpu)
return 0;
}
+static void a3xx_recover(struct msm_gpu *gpu)
+{
+ gpu_write(gpu, REG_A3XX_RBBM_SW_RESET_CMD, 1);
+ gpu_read(gpu, REG_A3XX_RBBM_SW_RESET_CMD);
+ gpu_write(gpu, REG_A3XX_RBBM_SW_RESET_CMD, 0);
+ adreno_recover(gpu);
+}
+
static void a3xx_destroy(struct msm_gpu *gpu)
{
struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
@@ -261,6 +305,12 @@ static void a3xx_destroy(struct msm_gpu *gpu)
DBG("%s", gpu->name);
adreno_gpu_cleanup(adreno_gpu);
+
+#ifdef CONFIG_MSM_OCMEM
+ if (a3xx_gpu->ocmem_base)
+ ocmem_free(OCMEM_GRAPHICS, a3xx_gpu->ocmem_hdl);
+#endif
+
put_device(&a3xx_gpu->pdev->dev);
kfree(a3xx_gpu);
}
@@ -371,7 +421,7 @@ static const struct adreno_gpu_funcs funcs = {
.hw_init = a3xx_hw_init,
.pm_suspend = msm_gpu_pm_suspend,
.pm_resume = msm_gpu_pm_resume,
- .recover = adreno_recover,
+ .recover = a3xx_recover,
.last_fence = adreno_last_fence,
.submit = adreno_submit,
.flush = adreno_flush,
@@ -387,6 +437,7 @@ static const struct adreno_gpu_funcs funcs = {
struct msm_gpu *a3xx_gpu_init(struct drm_device *dev)
{
struct a3xx_gpu *a3xx_gpu = NULL;
+ struct adreno_gpu *adreno_gpu;
struct msm_gpu *gpu;
struct platform_device *pdev = a3xx_pdev;
struct adreno_platform_config *config;
@@ -406,7 +457,8 @@ struct msm_gpu *a3xx_gpu_init(struct drm_device *dev)
goto fail;
}
- gpu = &a3xx_gpu->base.base;
+ adreno_gpu = &a3xx_gpu->base;
+ gpu = &adreno_gpu->base;
get_device(&pdev->dev);
a3xx_gpu->pdev = pdev;
@@ -421,11 +473,25 @@ struct msm_gpu *a3xx_gpu_init(struct drm_device *dev)
DBG("fast_rate=%u, slow_rate=%u, bus_freq=%u",
gpu->fast_rate, gpu->slow_rate, gpu->bus_freq);
- ret = adreno_gpu_init(dev, pdev, &a3xx_gpu->base,
- &funcs, config->rev);
+ ret = adreno_gpu_init(dev, pdev, adreno_gpu, &funcs, config->rev);
if (ret)
goto fail;
+ /* if needed, allocate gmem: */
+ if (adreno_is_a330(adreno_gpu)) {
+#ifdef CONFIG_MSM_OCMEM
+ /* TODO this is different/missing upstream: */
+ struct ocmem_buf *ocmem_hdl =
+ ocmem_allocate(OCMEM_GRAPHICS, adreno_gpu->gmem);
+
+ a3xx_gpu->ocmem_hdl = ocmem_hdl;
+ a3xx_gpu->ocmem_base = ocmem_hdl->addr;
+ adreno_gpu->gmem = ocmem_hdl->len;
+ DBG("using %dK of OCMEM at 0x%08x", adreno_gpu->gmem / 1024,
+ a3xx_gpu->ocmem_base);
+#endif
+ }
+
if (!gpu->mmu) {
/* TODO we think it is possible to configure the GPU to
* restrict access to VRAM carveout. But the required
@@ -460,7 +526,42 @@ static int a3xx_probe(struct platform_device *pdev)
{
static struct adreno_platform_config config = {};
#ifdef CONFIG_OF
- /* TODO */
+ struct device_node *child, *node = pdev->dev.of_node;
+ u32 val;
+ int ret;
+
+ ret = of_property_read_u32(node, "qcom,chipid", &val);
+ if (ret) {
+ dev_err(&pdev->dev, "could not find chipid: %d\n", ret);
+ return ret;
+ }
+
+ config.rev = ADRENO_REV((val >> 24) & 0xff,
+ (val >> 16) & 0xff, (val >> 8) & 0xff, val & 0xff);
+
+ /* find clock rates: */
+ config.fast_rate = 0;
+ config.slow_rate = ~0;
+ for_each_child_of_node(node, child) {
+ if (of_device_is_compatible(child, "qcom,gpu-pwrlevels")) {
+ struct device_node *pwrlvl;
+ for_each_child_of_node(child, pwrlvl) {
+ ret = of_property_read_u32(pwrlvl, "qcom,gpu-freq", &val);
+ if (ret) {
+ dev_err(&pdev->dev, "could not find gpu-freq: %d\n", ret);
+ return ret;
+ }
+ config.fast_rate = max(config.fast_rate, val);
+ config.slow_rate = min(config.slow_rate, val);
+ }
+ }
+ }
+
+ if (!config.fast_rate) {
+ dev_err(&pdev->dev, "could not find clk rates\n");
+ return -ENXIO;
+ }
+
#else
struct kgsl_device_platform_data *pdata = pdev->dev.platform_data;
uint32_t version = socinfo_get_version();
@@ -519,10 +620,19 @@ static int a3xx_remove(struct platform_device *pdev)
return 0;
}
+static const struct of_device_id dt_match[] = {
+ { .compatible = "qcom,kgsl-3d0" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, dt_match);
+
static struct platform_driver a3xx_driver = {
.probe = a3xx_probe,
.remove = a3xx_remove,
- .driver.name = "kgsl-3d0",
+ .driver = {
+ .name = "kgsl-3d0",
+ .of_match_table = dt_match,
+ },
};
void __init a3xx_register(void)