| Message ID | 20230706211045.204925-3-robdclark@gmail.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | drm/msm/adreno: Move away from legacy revision matching | expand |
On Fri, Jul 07, 2023 at 01:22:56AM +0200, Konrad Dybcio wrote: > > On 6.07.2023 23:10, Rob Clark wrote: > > From: Rob Clark <robdclark@chromium.org> > > > > Even in the ocmem case, the allocated ocmem buffer size should match the > > requested size. > > > > Signed-off-by: Rob Clark <robdclark@chromium.org> > > --- > [...] > > > + > > + WARN_ON(ocmem_hdl->len != adreno_gpu->info->gmem); > I believe this should be an error condition. If the sizes are mismatched, > best case scenario you get suboptimal perf and worst case scenario your > system explodes. No, the worst case scenarios are subtle bugs like random corruptions, pagefaults etc which you debug for months. ;) -Akhil. > > Very nice cleanup though! > > Konrad > > > > return 0; > > } > > @@ -1097,7 +1098,6 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, > > > > adreno_gpu->funcs = funcs; > > adreno_gpu->info = adreno_info(config->rev); > > - adreno_gpu->gmem = adreno_gpu->info->gmem; > > adreno_gpu->revn = adreno_gpu->info->revn; > > adreno_gpu->rev = *rev; > > > > diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h > > index 6830c3776c2d..aaf09c642dc6 100644 > > --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h > > +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h > > @@ -77,7 +77,6 @@ struct adreno_gpu { > > struct msm_gpu base; > > struct adreno_rev rev; > > const struct adreno_info *info; > > - uint32_t gmem; /* actual gmem size */ > > uint32_t revn; /* numeric revision name */ > > uint16_t speedbin; > > const struct adreno_gpu_funcs *funcs;
diff --git a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c index c67089a7ebc1..50ee03bc94b4 100644 --- a/drivers/gpu/drm/msm/adreno/a2xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a2xx_gpu.c @@ -205,7 +205,7 @@ static int a2xx_hw_init(struct msm_gpu *gpu) A2XX_MH_INTERRUPT_MASK_MMU_PAGE_FAULT); for (i = 3; i <= 5; i++) - if ((SZ_16K << i) == adreno_gpu->gmem) + if ((SZ_16K << i) == adreno_gpu->info->gmem) break; gpu_write(gpu, REG_A2XX_RB_EDRAM_INFO, i); diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index a99310b68793..f0803e94ebe5 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -749,7 +749,7 @@ static int a5xx_hw_init(struct msm_gpu *gpu) gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MIN_LO, 0x00100000); gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MIN_HI, 0x00000000); gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MAX_LO, - 0x00100000 + adreno_gpu->gmem - 1); + 0x00100000 + adreno_gpu->info->gmem - 1); gpu_write(gpu, REG_A5XX_UCHE_GMEM_RANGE_MAX_HI, 0x00000000); if (adreno_is_a506(adreno_gpu) || adreno_is_a508(adreno_gpu) || diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index b3ada1e7b598..edbade75020f 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1270,7 +1270,7 @@ static int hw_init(struct msm_gpu *gpu) gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MIN, 0x00100000); gpu_write64(gpu, REG_A6XX_UCHE_GMEM_RANGE_MAX, - 0x00100000 + adreno_gpu->gmem - 1); + 0x00100000 + adreno_gpu->info->gmem - 1); } gpu_write(gpu, REG_A6XX_UCHE_FILTER_CNTL, 0x804); diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 5eba0ae5c9a7..326912284a95 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -239,7 +239,6 @@ static const struct adreno_info gpulist[] = { }, { .rev = ADRENO_REV(6, 1, 0, ANY_ID), .revn = 610, - .name = "A610", .fw = { [ADRENO_FW_SQE] = "a630_sqe.fw", }, diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index e3cd9ff6ff1d..4f59682f585e 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -320,7 +320,7 @@ int adreno_get_param(struct msm_gpu *gpu, struct msm_file_private *ctx, *value = adreno_gpu->info->revn; return 0; case MSM_PARAM_GMEM_SIZE: - *value = adreno_gpu->gmem; + *value = adreno_gpu->info->gmem; return 0; case MSM_PARAM_GMEM_BASE: *value = !adreno_is_a650_family(adreno_gpu) ? 0x100000 : 0; @@ -1041,14 +1041,15 @@ int adreno_gpu_ocmem_init(struct device *dev, struct adreno_gpu *adreno_gpu, return PTR_ERR(ocmem); } - ocmem_hdl = ocmem_allocate(ocmem, OCMEM_GRAPHICS, adreno_gpu->gmem); + ocmem_hdl = ocmem_allocate(ocmem, OCMEM_GRAPHICS, adreno_gpu->info->gmem); if (IS_ERR(ocmem_hdl)) return PTR_ERR(ocmem_hdl); adreno_ocmem->ocmem = ocmem; adreno_ocmem->base = ocmem_hdl->addr; adreno_ocmem->hdl = ocmem_hdl; - adreno_gpu->gmem = ocmem_hdl->len; + + WARN_ON(ocmem_hdl->len != adreno_gpu->info->gmem); return 0; } @@ -1097,7 +1098,6 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, adreno_gpu->funcs = funcs; adreno_gpu->info = adreno_info(config->rev); - adreno_gpu->gmem = adreno_gpu->info->gmem; adreno_gpu->revn = adreno_gpu->info->revn; adreno_gpu->rev = *rev; diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index 6830c3776c2d..aaf09c642dc6 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -77,7 +77,6 @@ struct adreno_gpu { struct msm_gpu base; struct adreno_rev rev; const struct adreno_info *info; - uint32_t gmem; /* actual gmem size */ uint32_t revn; /* numeric revision name */ uint16_t speedbin; const struct adreno_gpu_funcs *funcs;