From c6b8f46f6d8144fb4d3c4894f78efdd40be0bc18 Mon Sep 17 00:00:00 2001 From: Jussi Rasanen Date: Fri, 25 Sep 2015 14:55:03 +0300 Subject: gpu: nvgpu: fix 4k compression Add CPU dcache flush after populating scatterBuffer so that the GPU will see the buffer contents. Bug 1679453 Change-Id: I564394ed1fcff4d08d753e753bd3243b460d76df Signed-off-by: Jussi Rasanen Reviewed-on: http://git-master/r/805197 (cherry picked from commit d6a5513745aa77c84ac5408a62f72f24839ef439) Reviewed-on: http://git-master/r/808246 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom Tested-by: Terje Bergstrom --- drivers/gpu/nvgpu/gk20a/cde_gk20a.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/gpu/nvgpu/gk20a/cde_gk20a.c b/drivers/gpu/nvgpu/gk20a/cde_gk20a.c index cd4e71bf..6d8633a7 100644 --- a/drivers/gpu/nvgpu/gk20a/cde_gk20a.c +++ b/drivers/gpu/nvgpu/gk20a/cde_gk20a.c @@ -1035,6 +1035,7 @@ __releases(&cde_app->mutex) goto exit_unlock; } + __cpuc_flush_dcache_area(scatter_buffer, scatterbuffer_size); dma_buf_vunmap(compbits_scatter_buf, surface); surface = NULL; } -- cgit v1.2.2