summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/msm/msm_gpu.h
diff options
context:
space:
mode:
authorRodrigo Vivi <rodrigo.vivi@intel.com>2022-12-30 04:09:09 -0500
committerRodrigo Vivi <rodrigo.vivi@intel.com>2022-12-30 04:18:36 -0500
commitb501d4dc83aa3940189b68045cadc8b3eac73988 (patch)
treee5310a4fafd59505c3db86bb05baf964cb8da944 /drivers/gpu/drm/msm/msm_gpu.h
parent4071d98b296a5bc5fd4b15ec651bd05800ec9510 (diff)
parent1b929c02afd37871d5afb9d498426f83432e71c2 (diff)
downloadlinux-b501d4dc83aa3940189b68045cadc8b3eac73988.tar.gz
linux-b501d4dc83aa3940189b68045cadc8b3eac73988.tar.bz2
linux-b501d4dc83aa3940189b68045cadc8b3eac73988.zip
Merge drm/drm-next into drm-intel-gt-next
Sync after v6.2-rc1 landed in drm-next. We need to get some dependencies in place before we can merge the fixes series from Gwan-gyeong and Chris. References: https://lore.kernel.org/all/Y6x5JCDnh2rvh4lA@intel.com/ Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gpu.h')
-rw-r--r--drivers/gpu/drm/msm/msm_gpu.h26
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h
index ff911e7305ce..651786bc55e5 100644
--- a/drivers/gpu/drm/msm/msm_gpu.h
+++ b/drivers/gpu/drm/msm/msm_gpu.h
@@ -78,6 +78,15 @@ struct msm_gpu_funcs {
struct msm_gem_address_space *(*create_private_address_space)
(struct msm_gpu *gpu);
uint32_t (*get_rptr)(struct msm_gpu *gpu, struct msm_ringbuffer *ring);
+
+ /**
+ * progress: Has the GPU made progress?
+ *
+ * Return true if GPU position in cmdstream has advanced (or changed)
+ * since the last call. To avoid false negatives, this should account
+ * for cmdstream that is buffered in this FIFO upstream of the CP fw.
+ */
+ bool (*progress)(struct msm_gpu *gpu, struct msm_ringbuffer *ring);
};
/* Additional state for iommu faults: */
@@ -237,6 +246,7 @@ struct msm_gpu {
#define DRM_MSM_INACTIVE_PERIOD 66 /* in ms (roughly four frames) */
#define DRM_MSM_HANGCHECK_DEFAULT_PERIOD 500 /* in ms */
+#define DRM_MSM_HANGCHECK_PROGRESS_RETRIES 3
struct timer_list hangcheck_timer;
/* Fault info for most recent iova fault: */
@@ -280,6 +290,10 @@ struct msm_gpu {
static inline struct msm_gpu *dev_to_gpu(struct device *dev)
{
struct adreno_smmu_priv *adreno_smmu = dev_get_drvdata(dev);
+
+ if (!adreno_smmu)
+ return NULL;
+
return container_of(adreno_smmu, struct msm_gpu, adreno_smmu);
}
@@ -536,7 +550,7 @@ static inline void gpu_rmw(struct msm_gpu *gpu, u32 reg, u32 mask, u32 or)
msm_rmw(gpu->mmio + (reg << 2), mask, or);
}
-static inline u64 gpu_read64(struct msm_gpu *gpu, u32 lo, u32 hi)
+static inline u64 gpu_read64(struct msm_gpu *gpu, u32 reg)
{
u64 val;
@@ -554,17 +568,17 @@ static inline u64 gpu_read64(struct msm_gpu *gpu, u32 lo, u32 hi)
* when the lo is read, so make sure to read the lo first to trigger
* that
*/
- val = (u64) msm_readl(gpu->mmio + (lo << 2));
- val |= ((u64) msm_readl(gpu->mmio + (hi << 2)) << 32);
+ val = (u64) msm_readl(gpu->mmio + (reg << 2));
+ val |= ((u64) msm_readl(gpu->mmio + ((reg + 1) << 2)) << 32);
return val;
}
-static inline void gpu_write64(struct msm_gpu *gpu, u32 lo, u32 hi, u64 val)
+static inline void gpu_write64(struct msm_gpu *gpu, u32 reg, u64 val)
{
/* Why not a writeq here? Read the screed above */
- msm_writel(lower_32_bits(val), gpu->mmio + (lo << 2));
- msm_writel(upper_32_bits(val), gpu->mmio + (hi << 2));
+ msm_writel(lower_32_bits(val), gpu->mmio + (reg << 2));
+ msm_writel(upper_32_bits(val), gpu->mmio + ((reg + 1) << 2));
}
int msm_gpu_pm_suspend(struct msm_gpu *gpu);