Commit a8d59943 authored by Hawking Zhang's avatar Hawking Zhang Committed by Alex Deucher
Browse files

drm/amdgpu: update query ref clk from bios 



Handle atom_gfx_info_v3_0 structure.

Signed-off-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarLikun Gao <Likun.Gao@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent f5fb30b6

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

+20 −10
Original line number Diff line number Diff line
@@ -558,6 +558,13 @@ union smu_info { 
	struct atom_smu_info_v3_1 v31;

};



union gfx_info {

	struct atom_gfx_info_v2_2 v22;

	struct atom_gfx_info_v2_4 v24;

	struct atom_gfx_info_v2_7 v27;

	struct atom_gfx_info_v3_0 v30;

};



int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev)

{

	struct amdgpu_mode_info *mode_info = &adev->mode_info;
@@ -639,23 +646,26 @@ int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev) 
						   gfx_info);

		if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,

					  &frev, &crev, &data_offset)) {

			struct atom_gfx_info_v2_2 *gfx_info = (struct atom_gfx_info_v2_2*)

			union gfx_info *gfx_info = (union gfx_info *)

				(mode_info->atom_context->bios + data_offset);

			if ((frev == 2) && (crev >= 2))

				spll->reference_freq = le32_to_cpu(gfx_info->rlc_gpu_timer_refclk);

			if ((frev == 3) ||

			    (frev == 2 && crev == 6)) {

				spll->reference_freq = le32_to_cpu(gfx_info->v30.golden_tsc_count_lower_refclk);

				ret = 0;

			} else if ((frev == 2) &&

				   (crev >= 2) &&

				   (crev != 6)) {

				spll->reference_freq = le32_to_cpu(gfx_info->v22.rlc_gpu_timer_refclk);

				ret = 0;

			} else {

				BUG();

			}

		}

	}



	return ret;

}



union gfx_info {

	struct atom_gfx_info_v2_4 v24;

	struct atom_gfx_info_v2_7 v27;

	struct atom_gfx_info_v3_0 v30;

};



int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)

{

	struct amdgpu_mode_info *mode_info = &adev->mode_info;