From: Rob Clark <robdclark@xxxxxxxxxxxx>
The restriction to 4G was strictly to work around 64b math bug in some
versions of SQE firmware. This appears to be fixed in a650+ SQE fw, so
allow a larger address space size on these devices.
Also, add a modparam override for debugging and igt.
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 3 ++-
drivers/gpu/drm/msm/adreno/adreno_device.c | 3 +++
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 17 +++++++++++++++++
drivers/gpu/drm/msm/adreno/adreno_gpu.h | 2 ++
4 files changed, 24 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 42ed9a3c4905..24932b2945ae 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -1737,7 +1737,8 @@ a6xx_create_private_address_space(struct msm_gpu *gpu)
return ERR_CAST(mmu);
return msm_gem_address_space_create(mmu,
- "gpu", 0x100000000ULL, SZ_4G);
+ "gpu", 0x100000000ULL,
+ adreno_private_address_space_size(gpu));
}
static uint32_t a6xx_get_rptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring)
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index 89cfd84760d7..f3685130ce9b 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -303,6 +303,7 @@ static const struct adreno_info gpulist[] = {
.init = a6xx_gpu_init,
.zapfw = "a650_zap.mdt",
.hwcg = a650_hwcg,
+ .address_space_size = SZ_16G,
}, {
.rev = ADRENO_REV(6, 6, 0, ANY_ID),
.revn = 660,
@@ -316,6 +317,7 @@ static const struct adreno_info gpulist[] = {
.init = a6xx_gpu_init,
.zapfw = "a660_zap.mdt",
.hwcg = a660_hwcg,
+ .address_space_size = SZ_16G,
}, {
.rev = ADRENO_REV(6, 3, 5, ANY_ID),
.fw = {
@@ -326,6 +328,7 @@ static const struct adreno_info gpulist[] = {
.inactive_period = DRM_MSM_INACTIVE_PERIOD,
.init = a6xx_gpu_init,
.hwcg = a660_hwcg,
+ .address_space_size = SZ_16G,
}, {
.rev = ADRENO_REV(6, 8, 0, ANY_ID),
.revn = 680,
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 4e665c806a14..7bc96cbe6e95 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -21,6 +21,10 @@
#include "msm_gem.h"
#include "msm_mmu.h"
+static u64 address_space_size = 0;
+MODULE_PARM_DESC(address_space_size, "Override for size of processes private GPU address space");
+module_param(address_space_size, u64, 0600);
+
static bool zap_available = true;
static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname,
@@ -228,6 +232,19 @@ adreno_iommu_create_address_space(struct msm_gpu *gpu,
return aspace;
}
+u64 adreno_private_address_space_size(struct msm_gpu *gpu)
+{
+ struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
+
+ if (address_space_size)
+ return address_space_size;
+
+ if (adreno_gpu->info->address_space_size)
+ return adreno_gpu->info->address_space_size;
+
+ return SZ_4G;
+}
+
int adreno_get_param(struct msm_gpu *gpu, struct msm_file_private *ctx,
uint32_t param, uint64_t *value, uint32_t *len)
{
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
index ab3b5ef80332..0a4d45695dc7 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h
@@ -70,6 +70,7 @@ struct adreno_info {
const char *zapfw;
u32 inactive_period;
const struct adreno_reglist *hwcg;
+ u64 address_space_size;
};
const struct adreno_info *adreno_info(struct adreno_rev rev);
@@ -280,6 +281,7 @@ static inline int adreno_is_a650_family(struct adreno_gpu *gpu)
adreno_is_a660_family(gpu);
}
+u64 adreno_private_address_space_size(struct msm_gpu *gpu);
int adreno_get_param(struct msm_gpu *gpu, struct msm_file_private *ctx,
uint32_t param, uint64_t *value, uint32_t *len);
int adreno_set_param(struct msm_gpu *gpu, struct msm_file_private *ctx,
--
2.35.3
