From: Rob Clark <robdcl...@chromium.org>

[ Upstream commit 155668ef412fc82ff3172666831d95770141cdd6 ]

It is better to explicitly list it.  With the move to opaque chip-id's
for future devices, we should avoid trying to infer things like
generation from the numerical value.

Signed-off-by: Rob Clark <robdcl...@chromium.org>
Reviewed-by: Konrad Dybcio <konrad.dyb...@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/549765/
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/gpu/drm/msm/adreno/adreno_device.c | 23 +++++++++++++++-------
 drivers/gpu/drm/msm/adreno/adreno_gpu.h    |  1 +
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c 
b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 5751077c201eb..715ec4139b626 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -275,6 +275,7 @@ static const struct adreno_info gpulist[] = {
                },
                .gmem = SZ_512K,
                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
+               .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT,
                .init = a6xx_gpu_init,
        }, {
                .rev = ADRENO_REV(6, 1, 9, ANY_ID),
@@ -286,6 +287,7 @@ static const struct adreno_info gpulist[] = {
                },
                .gmem = SZ_512K,
                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
+               .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT,
                .init = a6xx_gpu_init,
                .zapfw = "a615_zap.mdt",
                .hwcg = a615_hwcg,
@@ -299,6 +301,7 @@ static const struct adreno_info gpulist[] = {
                },
                .gmem = SZ_1M,
                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
+               .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT,
                .init = a6xx_gpu_init,
                .zapfw = "a630_zap.mdt",
                .hwcg = a630_hwcg,
@@ -312,6 +315,7 @@ static const struct adreno_info gpulist[] = {
                },
                .gmem = SZ_1M,
                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
+               .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT,
                .init = a6xx_gpu_init,
                .zapfw = "a640_zap.mdt",
                .hwcg = a640_hwcg,
@@ -325,7 +329,8 @@ static const struct adreno_info gpulist[] = {
                },
                .gmem = SZ_1M + SZ_128K,
                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
-               .quirks = ADRENO_QUIRK_HAS_HW_APRIV,
+               .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
+                       ADRENO_QUIRK_HAS_HW_APRIV,
                .init = a6xx_gpu_init,
                .zapfw = "a650_zap.mdt",
                .hwcg = a650_hwcg,
@@ -340,7 +345,8 @@ static const struct adreno_info gpulist[] = {
                },
                .gmem = SZ_1M + SZ_512K,
                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
-               .quirks = ADRENO_QUIRK_HAS_HW_APRIV,
+               .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
+                       ADRENO_QUIRK_HAS_HW_APRIV,
                .init = a6xx_gpu_init,
                .zapfw = "a660_zap.mdt",
                .hwcg = a660_hwcg,
@@ -353,7 +359,8 @@ static const struct adreno_info gpulist[] = {
                },
                .gmem = SZ_512K,
                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
-               .quirks = ADRENO_QUIRK_HAS_HW_APRIV,
+               .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
+                       ADRENO_QUIRK_HAS_HW_APRIV,
                .init = a6xx_gpu_init,
                .hwcg = a660_hwcg,
                .address_space_size = SZ_16G,
@@ -367,6 +374,7 @@ static const struct adreno_info gpulist[] = {
                },
                .gmem = SZ_2M,
                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
+               .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT,
                .init = a6xx_gpu_init,
                .zapfw = "a640_zap.mdt",
                .hwcg = a640_hwcg,
@@ -378,7 +386,8 @@ static const struct adreno_info gpulist[] = {
                },
                .gmem = SZ_4M,
                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
-               .quirks = ADRENO_QUIRK_HAS_HW_APRIV,
+               .quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
+                       ADRENO_QUIRK_HAS_HW_APRIV,
                .init = a6xx_gpu_init,
                .zapfw = "a690_zap.mdt",
                .hwcg = a690_hwcg,
@@ -590,9 +599,9 @@ static int adreno_bind(struct device *dev, struct device 
*master, void *data)
        if (ret)
                return ret;
 
-       if (config.rev.core >= 6)
-               if (!adreno_has_gmu_wrapper(to_adreno_gpu(gpu)))
-                       priv->has_cached_coherent = true;
+       priv->has_cached_coherent =
+               !!(info->quirks & ADRENO_QUIRK_HAS_CACHED_COHERENT) &&
+               !adreno_has_gmu_wrapper(to_adreno_gpu(gpu));
 
        return 0;
 }
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h 
b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index a925e04a2283c..129771563f3fd 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -33,6 +33,7 @@ enum {
 #define ADRENO_QUIRK_FAULT_DETECT_MASK         BIT(1)
 #define ADRENO_QUIRK_LMLOADKILL_DISABLE                BIT(2)
 #define ADRENO_QUIRK_HAS_HW_APRIV              BIT(3)
+#define ADRENO_QUIRK_HAS_CACHED_COHERENT       BIT(4)
 
 struct adreno_rev {
        uint8_t  core;
-- 
2.40.1

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