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Subject[PATCH] drm/msm/a690: Fix reg values for a690
Date
From: Danylo Piliaiev <dpiliaiev@igalia.com>

KGSL doesn't support a690 so all reg values were the same as
on a660. Now we know the values and they are different from the
windows driver.

This fixes hangs on D3D12 games and some CTS tests.

Signed-off-by: Danylo Piliaiev <dpiliaiev@igalia.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 8176ea8da7a7..75e1ea0404d3 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -1326,6 +1326,7 @@ static void a6xx_set_ubwc_config(struct msm_gpu *gpu)
amsbc = 1;
rgb565_predicator = 1;
uavflagprd_inv = 2;
+ ubwc_mode = 2;
}

if (adreno_is_7c3(adreno_gpu)) {
@@ -1741,7 +1742,9 @@ static int hw_init(struct msm_gpu *gpu)
/* Setting the primFifo thresholds default values,
* and vccCacheSkipDis=1 bit (0x200) for A640 and newer
*/
- if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu) || adreno_is_a690(adreno_gpu))
+ if (adreno_is_a690(adreno_gpu))
+ gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00800200);
+ else if (adreno_is_a650(adreno_gpu) || adreno_is_a660(adreno_gpu))
gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00300200);
else if (adreno_is_a640_family(adreno_gpu) || adreno_is_7c3(adreno_gpu))
gpu_write(gpu, REG_A6XX_PC_DBG_ECO_CNTL, 0x00200200);
@@ -1775,6 +1778,8 @@ static int hw_init(struct msm_gpu *gpu)
if (adreno_is_a730(adreno_gpu) ||
adreno_is_a740_family(adreno_gpu))
gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0xcfffff);
+ else if (adreno_is_a690(adreno_gpu))
+ gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x4fffff);
else if (adreno_is_a619(adreno_gpu))
gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x3fffff);
else if (adreno_is_a610(adreno_gpu))
@@ -1782,7 +1787,10 @@ static int hw_init(struct msm_gpu *gpu)
else
gpu_write(gpu, REG_A6XX_RBBM_INTERFACE_HANG_INT_CNTL, (1 << 30) | 0x1fffff);

- gpu_write(gpu, REG_A6XX_UCHE_CLIENT_PF, 1);
+ if (adreno_is_a690(adreno_gpu))
+ gpu_write(gpu, REG_A6XX_UCHE_CLIENT_PF, 0x81);
+ else
+ gpu_write(gpu, REG_A6XX_UCHE_CLIENT_PF, 1);

/* Set weights for bicubic filtering */
if (adreno_is_a650_family(adreno_gpu)) {
@@ -1808,12 +1816,17 @@ static int hw_init(struct msm_gpu *gpu)
a6xx_set_cp_protect(gpu);

if (adreno_is_a660_family(adreno_gpu)) {
- gpu_write(gpu, REG_A6XX_CP_CHICKEN_DBG, 0x1);
+ if (adreno_is_a690(adreno_gpu))
+ gpu_write(gpu, REG_A6XX_CP_CHICKEN_DBG, 0x00028801);
+ else
+ gpu_write(gpu, REG_A6XX_CP_CHICKEN_DBG, 0x1);
gpu_write(gpu, REG_A6XX_RBBM_GBIF_CLIENT_QOS_CNTL, 0x0);
}

+ if (adreno_is_a690(adreno_gpu))
+ gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG, 0x90);
/* Set dualQ + disable afull for A660 GPU */
- if (adreno_is_a660(adreno_gpu))
+ else if (adreno_is_a660(adreno_gpu))
gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG, 0x66906);
else if (adreno_is_a7xx(adreno_gpu))
gpu_write(gpu, REG_A6XX_UCHE_CMDQ_CONFIG,
--
2.42.0
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