From: Akhil P Oommen Date: Tue, 18 Nov 2025 08:50:35 +0000 (+0530) Subject: drm/msm/adreno: Add MMU fault handler to adreno_gpu_func X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=0d9f5ee4583e770449c081460c2a3ff22532a1c2;p=linux%2F.git drm/msm/adreno: Add MMU fault handler to adreno_gpu_func Move MMU fault handler for each generation to adreno function list. This will help to use common code for mmu pagefault handler registration between a6x/a7x and a8x layer. Reviewed-by: Dmitry Baryshkov Signed-off-by: Akhil P Oommen Patchwork: https://patchwork.freedesktop.org/patch/689007/ Message-ID: <20251118-kaana-gpu-support-v4-8-86eeb8e93fb6@oss.qualcomm.com> Signed-off-by: Rob Clark --- diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 575f2f9d3b1d..9edd23d419ec 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -2641,7 +2641,7 @@ static struct msm_gpu *a6xx_gpu_init(struct drm_device *dev) adreno_gpu->uche_trap_base = 0x1fffffffff000ull; msm_mmu_set_fault_handler(to_msm_vm(gpu->vm)->mmu, gpu, - a6xx_fault_handler); + adreno_gpu->funcs->mmu_fault_handler); ret = a6xx_calc_ubwc_config(adreno_gpu); if (ret) { @@ -2686,6 +2686,7 @@ const struct adreno_gpu_funcs a6xx_gpu_funcs = { .init = a6xx_gpu_init, .get_timestamp = a6xx_gmu_get_timestamp, .bus_halt = a6xx_bus_clear_pending_transactions, + .mmu_fault_handler = a6xx_fault_handler, }; const struct adreno_gpu_funcs a6xx_gmuwrapper_funcs = { @@ -2717,6 +2718,7 @@ const struct adreno_gpu_funcs a6xx_gmuwrapper_funcs = { .init = a6xx_gpu_init, .get_timestamp = a6xx_get_timestamp, .bus_halt = a6xx_bus_clear_pending_transactions, + .mmu_fault_handler = a6xx_fault_handler, }; const struct adreno_gpu_funcs a7xx_gpu_funcs = { @@ -2750,4 +2752,5 @@ const struct adreno_gpu_funcs a7xx_gpu_funcs = { .init = a6xx_gpu_init, .get_timestamp = a6xx_gmu_get_timestamp, .bus_halt = a6xx_bus_clear_pending_transactions, + .mmu_fault_handler = a6xx_fault_handler, }; diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index 08bb601b3bd3..922d2dee70fb 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -78,6 +78,7 @@ struct adreno_gpu_funcs { struct msm_gpu *(*init)(struct drm_device *dev); int (*get_timestamp)(struct msm_gpu *gpu, uint64_t *value); void (*bus_halt)(struct adreno_gpu *adreno_gpu, bool gx_off); + int (*mmu_fault_handler)(void *arg, unsigned long iova, int flags, void *data); }; struct adreno_reglist {