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drm/radeon: allow unaligned shader loads on CIK

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Set alignment mode to unaligned on CIK to align with amdgpu.  This is
needed for unaligned loads to work properly in mesa.  The current setting
requires dword alignment.

Signed-off-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Marek Olšák 2017-02-13 17:37:05 +01:00 committed by Alex Deucher
parent 451bc8eb8f
commit 75cb00dc0c
2 changed files with 7 additions and 3 deletions
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7
drivers/gpu/drm/radeon/cik.c
View File

@ -35,6 +35,9 @@
#include "clearstate_ci.h"
#include "radeon_kfd.h"
#define SH_MEM_CONFIG_GFX_DEFAULT \
ALIGNMENT_MODE(SH_MEM_ALIGNMENT_MODE_UNALIGNED)
MODULE_FIRMWARE("radeon/BONAIRE_pfp.bin");
MODULE_FIRMWARE("radeon/BONAIRE_me.bin");
MODULE_FIRMWARE("radeon/BONAIRE_ce.bin");
@ -5587,7 +5590,7 @@ static int cik_pcie_gart_enable(struct radeon_device *rdev)
for (i = 0; i < 16; i++) {
cik_srbm_select(rdev, 0, 0, 0, i);
/* CP and shaders */
WREG32(SH_MEM_CONFIG, 0);
WREG32(SH_MEM_CONFIG, SH_MEM_CONFIG_GFX_DEFAULT);
WREG32(SH_MEM_APE1_BASE, 1);
WREG32(SH_MEM_APE1_LIMIT, 0);
WREG32(SH_MEM_BASES, 0);
@ -5794,7 +5797,7 @@ void cik_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
radeon_ring_write(ring, 0);
radeon_ring_write(ring, 0); /* SH_MEM_BASES */
radeon_ring_write(ring, 0); /* SH_MEM_CONFIG */
radeon_ring_write(ring, SH_MEM_CONFIG_GFX_DEFAULT); /* SH_MEM_CONFIG */
radeon_ring_write(ring, 1); /* SH_MEM_APE1_BASE */
radeon_ring_write(ring, 0); /* SH_MEM_APE1_LIMIT */

3
drivers/gpu/drm/radeon/radeon_drv.c
View File

@ -98,9 +98,10 @@
* 2.47.0 - Add UVD_NO_OP register support
* 2.48.0 - TA_CS_BC_BASE_ADDR allowed on SI
* 2.49.0 - DRM_RADEON_GEM_INFO ioctl returns correct vram_size/visible values
* 2.50.0 - Allows unaligned shader loads on CIK. (needed by OpenGL)
*/
#define KMS_DRIVER_MAJOR 2
#define KMS_DRIVER_MINOR 49
#define KMS_DRIVER_MINOR 50
#define KMS_DRIVER_PATCHLEVEL 0
int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
void radeon_driver_unload_kms(struct drm_device *dev);