summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authorMarek Olšák <[email protected]>2018-05-02 19:39:08 -0400
committerMarek Olšák <[email protected]>2018-05-10 18:40:07 -0400
commit125adc92adce078c1a00a25735145dbfb88afc65 (patch)
treeddc54ca5b9f4b515c77f4efa560c303ff6ea4a8b /src
parent8b9694da4b5079bca76191678ad34e90651a5fca (diff)
ac/gpu_info: add has_unaligned_shader_loads
Reviewed-by: Nicolai Hähnle <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/amd/common/ac_gpu_info.c3
-rw-r--r--src/amd/common/ac_gpu_info.h1
-rw-r--r--src/gallium/drivers/radeonsi/si_get.c6
-rw-r--r--src/gallium/winsys/radeon/drm/radeon_drm_winsys.c3
4 files changed, 8 insertions, 5 deletions
diff --git a/src/amd/common/ac_gpu_info.c b/src/amd/common/ac_gpu_info.c
index 5a395772460..0451b8fb987 100644
--- a/src/amd/common/ac_gpu_info.c
+++ b/src/amd/common/ac_gpu_info.c
@@ -328,6 +328,8 @@ bool ac_query_gpu_info(int fd, amdgpu_device_handle dev,
info->kernel_flushes_tc_l2_after_ib = info->chip_class != VI ||
info->drm_minor >= 2;
info->has_indirect_compute_dispatch = true;
+ /* SI doesn't support unaligned loads. */
+ info->has_unaligned_shader_loads = info->chip_class != SI;
info->num_render_backends = amdinfo->rb_pipes;
/* The value returned by the kernel driver was wrong. */
@@ -485,6 +487,7 @@ void ac_print_gpu_info(struct radeon_info *info)
printf(" has_format_bc1_through_bc7 = %u\n", info->has_format_bc1_through_bc7);
printf(" kernel_flushes_tc_l2_after_ib = %u\n", info->kernel_flushes_tc_l2_after_ib);
printf(" has_indirect_compute_dispatch = %u\n", info->has_indirect_compute_dispatch);
+ printf(" has_unaligned_shader_loads = %u\n", info->has_unaligned_shader_loads);
printf("Shader core info:\n");
printf(" max_shader_clock = %i\n", info->max_shader_clock);
diff --git a/src/amd/common/ac_gpu_info.h b/src/amd/common/ac_gpu_info.h
index d5d10c60102..e95dcbd906c 100644
--- a/src/amd/common/ac_gpu_info.h
+++ b/src/amd/common/ac_gpu_info.h
@@ -106,6 +106,7 @@ struct radeon_info {
bool has_format_bc1_through_bc7;
bool kernel_flushes_tc_l2_after_ib;
bool has_indirect_compute_dispatch;
+ bool has_unaligned_shader_loads;
/* Shader cores. */
uint32_t r600_max_quad_pipes; /* wave size / 16 */
diff --git a/src/gallium/drivers/radeonsi/si_get.c b/src/gallium/drivers/radeonsi/si_get.c
index 3feb1ae7823..d2bee21a1fe 100644
--- a/src/gallium/drivers/radeonsi/si_get.c
+++ b/src/gallium/drivers/radeonsi/si_get.c
@@ -226,11 +226,7 @@ static int si_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
- /* SI doesn't support unaligned loads.
- * CIK needs DRM 2.50.0 on radeon. */
- return sscreen->info.chip_class == SI ||
- (sscreen->info.drm_major == 2 &&
- sscreen->info.drm_minor < 50);
+ return !sscreen->info.has_unaligned_shader_loads;
case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
/* TODO: GFX9 hangs. */
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index 129d4f46f5b..7a55fca3020 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -544,6 +544,9 @@ static bool do_winsys_init(struct radeon_drm_winsys *ws)
ws->info.has_indirect_compute_dispatch = ws->info.chip_class == CIK ||
(ws->info.chip_class == SI &&
ws->info.drm_minor >= 45);
+ /* SI doesn't support unaligned loads. */
+ ws->info.has_unaligned_shader_loads = ws->info.chip_class == CIK &&
+ ws->info.drm_minor >= 50;
ws->check_vm = strstr(debug_get_option("R600_DEBUG", ""), "check_vm") != NULL;