Change-Id: Iab06288ba350c44caa06fb11c2e4ee9c90cd05a6
Signed-off-by: Flora Cui <Flora.Cui at amd.com>
---
drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 101 ++++++++++++++--------------------
1 file changed, 42 insertions(+), 59 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
index db12955..7f5b210 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
@@ -1325,21 +1325,19 @@ static u32 gfx_v6_0_create_bitmask(u32 bit_width)
return (u32)(((u64)1 << bit_width) - 1);
}
-static u32 gfx_v6_0_get_rb_disabled(struct amdgpu_device *adev,
- u32 max_rb_num_per_se,
- u32 sh_per_se)
+static u32 gfx_v6_0_get_rb_active_bitmap(struct amdgpu_device *adev)
{
u32 data, mask;
- data = RREG32(mmCC_RB_BACKEND_DISABLE);
- data &= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE_MASK;
- data |= RREG32(mmGC_USER_RB_BACKEND_DISABLE);
+ data = RREG32(mmCC_RB_BACKEND_DISABLE) |
+ RREG32(mmGC_USER_RB_BACKEND_DISABLE);
- data >>= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE__SHIFT;
+ data = REG_GET_FIELD(data, GC_USER_RB_BACKEND_DISABLE, BACKEND_DISABLE);
- mask = gfx_v6_0_create_bitmask(max_rb_num_per_se / sh_per_se);
+ mask = gfx_v6_0_create_bitmask(adev->gfx.config.max_backends_per_se/
+ adev->gfx.config.max_sh_per_se);
- return data & mask;
+ return ~data & mask;
}
static void gfx_v6_0_raster_config(struct amdgpu_device *adev, u32 *rconf)
@@ -1468,68 +1466,55 @@ static void gfx_v6_0_write_harvested_raster_configs(struct amdgpu_device *adev,
gfx_v6_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
}
-static void gfx_v6_0_setup_rb(struct amdgpu_device *adev,
- u32 se_num, u32 sh_per_se,
- u32 max_rb_num_per_se)
+static void gfx_v6_0_setup_rb(struct amdgpu_device *adev)
{
int i, j;
- u32 data, mask;
- u32 disabled_rbs = 0;
- u32 enabled_rbs = 0;
+ u32 data;
+ u32 raster_config = 0;
+ u32 active_rbs = 0;
+ u32 rb_bitmap_width_per_sh = adev->gfx.config.max_backends_per_se /
+ adev->gfx.config.max_sh_per_se;
unsigned num_rb_pipes;
mutex_lock(&adev->grbm_idx_mutex);
- for (i = 0; i < se_num; i++) {
- for (j = 0; j < sh_per_se; j++) {
+ for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
+ for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
gfx_v6_0_select_se_sh(adev, i, j, 0xffffffff);
- data = gfx_v6_0_get_rb_disabled(adev, max_rb_num_per_se, sh_per_se);
- disabled_rbs |= data << ((i * sh_per_se + j) * 2);
+ data = gfx_v6_0_get_rb_active_bitmap(adev);
+ active_rbs |= data << ((i * adev->gfx.config.max_sh_per_se + j) *
+ rb_bitmap_width_per_sh);
}
}
gfx_v6_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
- mutex_unlock(&adev->grbm_idx_mutex);
- mask = 1;
- for (i = 0; i < max_rb_num_per_se * se_num; i++) {
- if (!(disabled_rbs & mask))
- enabled_rbs |= mask;
- mask <<= 1;
- }
-
- adev->gfx.config.backend_enable_mask = enabled_rbs;
- adev->gfx.config.num_rbs = hweight32(enabled_rbs);
+ adev->gfx.config.backend_enable_mask = active_rbs;
+ adev->gfx.config.num_rbs = hweight32(active_rbs);
num_rb_pipes = min_t(unsigned, adev->gfx.config.max_backends_per_se *
adev->gfx.config.max_shader_engines, 16);
- mutex_lock(&adev->grbm_idx_mutex);
- for (i = 0; i < se_num; i++) {
- gfx_v6_0_select_se_sh(adev, i, 0xffffffff, 0xffffffff);
- data = 0;
- for (j = 0; j < sh_per_se; j++) {
- switch (enabled_rbs & 3) {
- case 1:
- data |= (RASTER_CONFIG_RB_MAP_0 << (i * sh_per_se + j) * 2);
- break;
- case 2:
- data |= (RASTER_CONFIG_RB_MAP_3 << (i * sh_per_se + j) * 2);
- break;
- case 3:
- default:
- data |= (RASTER_CONFIG_RB_MAP_2 << (i * sh_per_se + j) * 2);
- break;
- }
- enabled_rbs >>= 2;
- }
- gfx_v6_0_raster_config(adev, &data);
+ gfx_v6_0_raster_config(adev, &raster_config);
- if (!adev->gfx.config.backend_enable_mask ||
- adev->gfx.config.num_rbs >= num_rb_pipes)
- WREG32(mmPA_SC_RASTER_CONFIG, data);
- else
- gfx_v6_0_write_harvested_raster_configs(adev, data,
- adev->gfx.config.backend_enable_mask,
- num_rb_pipes);
+ if (!adev->gfx.config.backend_enable_mask ||
+ adev->gfx.config.num_rbs >= num_rb_pipes) {
+ WREG32(mmPA_SC_RASTER_CONFIG, raster_config);
+ } else {
+ gfx_v6_0_write_harvested_raster_configs(adev, raster_config,
+ adev->gfx.config.backend_enable_mask,
+ num_rb_pipes);
+ }
+
+ /* cache the values for userspace */
+ for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
+ for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
+ gfx_v6_0_select_se_sh(adev, i, j, 0xffffffff);
+ adev->gfx.config.rb_config[i][j].rb_backend_disable =
+ RREG32(mmCC_RB_BACKEND_DISABLE);
+ adev->gfx.config.rb_config[i][j].user_rb_backend_disable =
+ RREG32(mmGC_USER_RB_BACKEND_DISABLE);
+ adev->gfx.config.rb_config[i][j].raster_config =
+ RREG32(mmPA_SC_RASTER_CONFIG);
+ }
}
gfx_v6_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
mutex_unlock(&adev->grbm_idx_mutex);
@@ -1735,9 +1720,7 @@ static void gfx_v6_0_gpu_init(struct amdgpu_device *adev)
#endif
gfx_v6_0_tiling_mode_table_init(adev);
- gfx_v6_0_setup_rb(adev, adev->gfx.config.max_shader_engines,
- adev->gfx.config.max_sh_per_se,
- adev->gfx.config.max_backends_per_se);
+ gfx_v6_0_setup_rb(adev);
gfx_v6_0_setup_spi(adev, adev->gfx.config.max_shader_engines,
adev->gfx.config.max_sh_per_se,
--
2.7.4
