[PATCH 6/7] drm/amdgpu: correct the cu and rb info for sienna cichlid

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Likun Gao <Likun.Gao@xxxxxxx>

Skip disabled sa to correct the cu_info and active_rbs for sienna cichlid.

Signed-off-by: Likun Gao <Likun.Gao@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 5.9.x
(cherry picked from commit 687e79c0feb4243b141b1e9a20adba3c0ec66f7f)
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index b1cb7bf5dd10..190161d1a466 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -4536,12 +4536,17 @@ static void gfx_v10_0_setup_rb(struct amdgpu_device *adev)
 	int i, j;
 	u32 data;
 	u32 active_rbs = 0;
+	u32 bitmap;
 	u32 rb_bitmap_width_per_sh = adev->gfx.config.max_backends_per_se /
 					adev->gfx.config.max_sh_per_se;
 
 	mutex_lock(&adev->grbm_idx_mutex);
 	for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
 		for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
+			bitmap = i * adev->gfx.config.max_sh_per_se + j;
+			if ((adev->asic_type == CHIP_SIENNA_CICHLID) &&
+			    ((gfx_v10_3_get_disabled_sa(adev) >> bitmap) & 1))
+				continue;
 			gfx_v10_0_select_se_sh(adev, i, j, 0xffffffff);
 			data = gfx_v10_0_get_rb_active_bitmap(adev);
 			active_rbs |= data << ((i * adev->gfx.config.max_sh_per_se + j) *
@@ -8760,6 +8765,10 @@ static int gfx_v10_0_get_cu_info(struct amdgpu_device *adev,
 	mutex_lock(&adev->grbm_idx_mutex);
 	for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
 		for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
+			bitmap = i * adev->gfx.config.max_sh_per_se + j;
+			if ((adev->asic_type == CHIP_SIENNA_CICHLID) &&
+			    ((gfx_v10_3_get_disabled_sa(adev) >> bitmap) & 1))
+				continue;
 			mask = 1;
 			ao_bitmap = 0;
 			counter = 0;
-- 
2.25.4




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux