Re: [PATCH] drm/gem-shmem: Optimize DMA mapping for exported buffers

Hi, On 3/25/2025 3:14 PM, Thomas Zimmermann wrote: > Hi > > Am 25.03.25 um 14:53 schrieb Christian König: >> Am 25.03.25 um 14:37 schrieb Jacek Lawrynowicz: >>> Use DMA_ATTR_SKIP_CPU_SYNC flag for exported buffers during DMA mapping. >>> The same flag is already used by drm_gem_map_dma_buf() for

Re: [PATCH] drm/gem-shmem: Optimize DMA mapping for exported buffers

Hi, On 3/25/2025 2:53 PM, Christian König wrote: > Am 25.03.25 um 14:37 schrieb Jacek Lawrynowicz: >> Use DMA_ATTR_SKIP_CPU_SYNC flag for exported buffers during DMA mapping. >> The same flag is already used by drm_gem_map_dma_buf() for imported >> buffers. >> >> Signed-off-by: Jacek Lawrynowicz

Re: [PATCH] drm/gem-shmem: Optimize DMA mapping for exported buffers

Am 25.03.25 um 16:33 schrieb Jacek Lawrynowicz: > Hi, > > On 3/25/2025 2:53 PM, Christian König wrote: >> Am 25.03.25 um 14:37 schrieb Jacek Lawrynowicz: >>> Use DMA_ATTR_SKIP_CPU_SYNC flag for exported buffers during DMA mapping. >>> The same flag is already used by drm_gem_map_dma_buf() for impor

Re: [PATCH] drm/gem-shmem: Optimize DMA mapping for exported buffers

Am 25.03.25 um 15:14 schrieb Thomas Zimmermann: > Hi > > Am 25.03.25 um 14:53 schrieb Christian König: >> Am 25.03.25 um 14:37 schrieb Jacek Lawrynowicz: >>> Use DMA_ATTR_SKIP_CPU_SYNC flag for exported buffers during DMA mapping. >>> The same flag is already used by drm_gem_map_dma_buf() for impor

Re: [PATCH] drm/gem-shmem: Optimize DMA mapping for exported buffers

Hi Am 25.03.25 um 14:53 schrieb Christian König: Am 25.03.25 um 14:37 schrieb Jacek Lawrynowicz: Use DMA_ATTR_SKIP_CPU_SYNC flag for exported buffers during DMA mapping. The same flag is already used by drm_gem_map_dma_buf() for imported buffers. Signed-off-by: Jacek Lawrynowicz --- drivers

Re: [PATCH] drm/gem-shmem: Optimize DMA mapping for exported buffers

Am 25.03.25 um 14:37 schrieb Jacek Lawrynowicz: > Use DMA_ATTR_SKIP_CPU_SYNC flag for exported buffers during DMA mapping. > The same flag is already used by drm_gem_map_dma_buf() for imported > buffers. > > Signed-off-by: Jacek Lawrynowicz > --- > drivers/gpu/drm/drm_gem_shmem_helper.c | 8

[PATCH] drm/gem-shmem: Optimize DMA mapping for exported buffers

Use DMA_ATTR_SKIP_CPU_SYNC flag for exported buffers during DMA mapping. The same flag is already used by drm_gem_map_dma_buf() for imported buffers. Signed-off-by: Jacek Lawrynowicz --- drivers/gpu/drm/drm_gem_shmem_helper.c | 8 ++-- include/drm/drm_gem.h | 12 +++