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authorSimona Vetter <simona.vetter@ffwll.ch>2025-10-31 18:33:43 +0100
committerSimona Vetter <simona.vetter@ffwll.ch>2025-10-31 18:33:43 +0100
commit119348477d840cf888881f7ff13a30ec1a77e8b7 (patch)
treec7d2abfc8684414ba57b2b683454048d6e14312f /drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h
parent098456f3141bf9e0c0d8973695ca38a03465ccd6 (diff)
parent883687c30736c1b4d36c8cc6153bca5c2c76a5d8 (diff)
Merge tag 'amd-drm-next-6.19-2025-10-24' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.19-2025-10-24: amdgpu: - HMM cleanup - Add new RAS framework - DML2.1 updates - YCbCr420 fixes - DC FP fixes - DMUB fixes - LTTPR fixes - DTBCLK fixes - DMU cursor offload handling - Userq validation improvements - Misc code cleanups - Unify shutdown callback handling - Suspend improvements - Power limit code cleanup - Fence cleanup - IP Discovery cleanup - SR-IOV fixes - AUX backlight fixes - DCN 3.5 fixes - HDMI compliance fixes - DCN 4.0.1 cursor updates - DCN interrupt fix - DC KMS full update improvements - Add additional HDCP traces - DCN 3.2 fixes - DP MST fixes - Add support for new SR-IOV mailbox interface Signed-off-by: Simona Vetter <simona.vetter@ffwll.ch> From: Alex Deucher <alexander.deucher@amd.com> Link: https://lore.kernel.org/r/20251024175249.58099-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h
index 953e1d06de20..140bc9cd57b4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.h
@@ -31,13 +31,20 @@
#include <linux/interval_tree.h>
#include <linux/mmu_notifier.h>
+struct amdgpu_hmm_range {
+ struct hmm_range hmm_range;
+ struct amdgpu_bo *bo;
+};
+
int amdgpu_hmm_range_get_pages(struct mmu_interval_notifier *notifier,
uint64_t start, uint64_t npages, bool readonly,
void *owner,
- struct hmm_range **phmm_range);
-bool amdgpu_hmm_range_get_pages_done(struct hmm_range *hmm_range);
+ struct amdgpu_hmm_range *range);
#if defined(CONFIG_HMM_MIRROR)
+bool amdgpu_hmm_range_valid(struct amdgpu_hmm_range *range);
+struct amdgpu_hmm_range *amdgpu_hmm_range_alloc(struct amdgpu_bo *bo);
+void amdgpu_hmm_range_free(struct amdgpu_hmm_range *range);
int amdgpu_hmm_register(struct amdgpu_bo *bo, unsigned long addr);
void amdgpu_hmm_unregister(struct amdgpu_bo *bo);
#else
@@ -47,7 +54,20 @@ static inline int amdgpu_hmm_register(struct amdgpu_bo *bo, unsigned long addr)
"add CONFIG_ZONE_DEVICE=y in config file to fix this\n");
return -ENODEV;
}
+
static inline void amdgpu_hmm_unregister(struct amdgpu_bo *bo) {}
+
+static inline bool amdgpu_hmm_range_valid(struct amdgpu_hmm_range *range)
+{
+ return false;
+}
+
+static inline struct amdgpu_hmm_range *amdgpu_hmm_range_alloc(struct amdgpu_bo *bo)
+{
+ return NULL;
+}
+
+static inline void amdgpu_hmm_range_free(struct amdgpu_hmm_range *range) {}
#endif
#endif