diff options
Diffstat (limited to 'meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0258-drm-amdgpu-remove-the-VI-hardware-semaphore-in-ring-.patch')
| -rw-r--r-- | meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0258-drm-amdgpu-remove-the-VI-hardware-semaphore-in-ring-.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0258-drm-amdgpu-remove-the-VI-hardware-semaphore-in-ring-.patch b/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0258-drm-amdgpu-remove-the-VI-hardware-semaphore-in-ring-.patch new file mode 100644 index 00000000..5d14513e --- /dev/null +++ b/meta-amdfalconx86/recipes-kernel/linux/linux-yocto/0258-drm-amdgpu-remove-the-VI-hardware-semaphore-in-ring-.patch @@ -0,0 +1,39 @@ +From 147dbfbc54e460682eba3494370ea33e9fd5e9b0 Mon Sep 17 00:00:00 2001 +From: David Zhang <david1.zhang@amd.com> +Date: Thu, 11 Jun 2015 02:28:56 +0800 +Subject: [PATCH 0258/1050] drm/amdgpu: remove the VI hardware semaphore in + ring sync +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Signed-off-by: David Zhang <david1.zhang@amd.com> + +Reviewed-by: Christian König <christian.koenig@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 9 ++++----- + 1 file changed, 4 insertions(+), 5 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +index 698ea6c..70cc6bd 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +@@ -3783,11 +3783,10 @@ static bool gfx_v8_0_ring_emit_semaphore(struct amdgpu_ring *ring, + unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL; + + if (ring->adev->asic_type == CHIP_TOPAZ || +- ring->adev->asic_type == CHIP_TONGA) { +- amdgpu_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1)); +- amdgpu_ring_write(ring, lower_32_bits(addr)); +- amdgpu_ring_write(ring, (upper_32_bits(addr) & 0xffff) | sel); +- } else { ++ ring->adev->asic_type == CHIP_TONGA) ++ /* we got a hw semaphore bug in VI TONGA, return false to switch back to sw fence wait */ ++ return false; ++ else { + amdgpu_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 2)); + amdgpu_ring_write(ring, lower_32_bits(addr)); + amdgpu_ring_write(ring, upper_32_bits(addr)); +-- +1.9.1 + |