Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 2572c24c authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu/gfx9: use hweight for calculating num_rbs 



Match what we do for other asics.

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f2713e8c

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

+2 −5
Original line number Diff line number Diff line
@@ -1231,7 +1231,7 @@ static u32 gfx_v9_0_get_rb_active_bitmap(struct amdgpu_device *adev) 
static void gfx_v9_0_setup_rb(struct amdgpu_device *adev)

{

	int i, j;

	u32 data, tmp, num_rbs = 0;

	u32 data;

	u32 active_rbs = 0;

	u32 rb_bitmap_width_per_sh = adev->gfx.config.max_backends_per_se /

					adev->gfx.config.max_sh_per_se;
@@ -1249,10 +1249,7 @@ static void gfx_v9_0_setup_rb(struct amdgpu_device *adev) 
	mutex_unlock(&adev->grbm_idx_mutex);



	adev->gfx.config.backend_enable_mask = active_rbs;

	tmp = active_rbs;

	while (tmp >>= 1)

		num_rbs++;

	adev->gfx.config.num_rbs = num_rbs;

	adev->gfx.config.num_rbs = hweight32(active_rbs);

}



#define DEFAULT_SH_MEM_BASES	(0x6000)