1 files changed, 126 insertions, 35 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
index 4bdda56fccee..f9ffe8ef0cd6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -66,41 +66,6 @@ void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev)
 	}
 }
 
-void amdgpu_atomfirmware_scratch_regs_save(struct amdgpu_device *adev)
-{
-	int i;
-
-	for (i = 0; i < AMDGPU_BIOS_NUM_SCRATCH; i++)
-		adev->bios_scratch[i] = RREG32(adev->bios_scratch_reg_offset + i);
-}
-
-void amdgpu_atomfirmware_scratch_regs_restore(struct amdgpu_device *adev)
-{
-	int i;
-
-	/*
-	 * VBIOS will check ASIC_INIT_COMPLETE bit to decide if
-	 * execute ASIC_Init posting via driver
-	 */
-	adev->bios_scratch[7] &= ~ATOM_S7_ASIC_INIT_COMPLETE_MASK;
-
-	for (i = 0; i < AMDGPU_BIOS_NUM_SCRATCH; i++)
-		WREG32(adev->bios_scratch_reg_offset + i, adev->bios_scratch[i]);
-}
-
-void amdgpu_atomfirmware_scratch_regs_engine_hung(struct amdgpu_device *adev,
-						  bool hung)
-{
-	u32 tmp = RREG32(adev->bios_scratch_reg_offset + 3);
-
-	if (hung)
-		tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
-	else
-		tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
-
-	WREG32(adev->bios_scratch_reg_offset + 3, tmp);
-}
-
 int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev)
 {
 	struct atom_context *ctx = adev->mode_info.atom_context;
@@ -130,3 +95,129 @@ int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev)
 	ctx->scratch_size_bytes = usage_bytes;
 	return 0;
 }
+
+union igp_info {
+	struct atom_integrated_system_info_v1_11 v11;
+};
+
+/*
+ * Return vram width from integrated system info table, if available,
+ * or 0 if not.
+ */
+int amdgpu_atomfirmware_get_vram_width(struct amdgpu_device *adev)
+{
+	struct amdgpu_mode_info *mode_info = &adev->mode_info;
+	int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
+						integratedsysteminfo);
+	u16 data_offset, size;
+	union igp_info *igp_info;
+	u8 frev, crev;
+
+	/* get any igp specific overrides */
+	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, &size,
+				   &frev, &crev, &data_offset)) {
+		igp_info = (union igp_info *)
+			(mode_info->atom_context->bios + data_offset);
+		switch (crev) {
+		case 11:
+			return igp_info->v11.umachannelnumber * 64;
+		default:
+			return 0;
+		}
+	}
+
+	return 0;
+}
+
+union firmware_info {
+	struct atom_firmware_info_v3_1 v31;
+};
+
+union smu_info {
+	struct atom_smu_info_v3_1 v31;
+};
+
+union umc_info {
+	struct atom_umc_info_v3_1 v31;
+};
+
+int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev)
+{
+	struct amdgpu_mode_info *mode_info = &adev->mode_info;
+	struct amdgpu_pll *spll = &adev->clock.spll;
+	struct amdgpu_pll *mpll = &adev->clock.mpll;
+	uint8_t frev, crev;
+	uint16_t data_offset;
+	int ret = -EINVAL, index;
+
+	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
+					    firmwareinfo);
+	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
+		union firmware_info *firmware_info =
+			(union firmware_info *)(mode_info->atom_context->bios +
+						data_offset);
+
+		adev->clock.default_sclk =
+			le32_to_cpu(firmware_info->v31.bootup_sclk_in10khz);
+		adev->clock.default_mclk =
+			le32_to_cpu(firmware_info->v31.bootup_mclk_in10khz);
+
+		adev->pm.current_sclk = adev->clock.default_sclk;
+		adev->pm.current_mclk = adev->clock.default_mclk;
+
+		/* not technically a clock, but... */
+		adev->mode_info.firmware_flags =
+			le32_to_cpu(firmware_info->v31.firmware_capability);
+
+		ret = 0;
+	}
+
+	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
+					    smu_info);
+	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
+		union smu_info *smu_info =
+			(union smu_info *)(mode_info->atom_context->bios +
+					   data_offset);
+
+		/* system clock */
+		spll->reference_freq = le32_to_cpu(smu_info->v31.core_refclk_10khz);
+
+		spll->reference_div = 0;
+		spll->min_post_div = 1;
+		spll->max_post_div = 1;
+		spll->min_ref_div = 2;
+		spll->max_ref_div = 0xff;
+		spll->min_feedback_div = 4;
+		spll->max_feedback_div = 0xff;
+		spll->best_vco = 0;
+
+		ret = 0;
+	}
+
+	index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
+					    umc_info);
+	if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
+		union umc_info *umc_info =
+			(union umc_info *)(mode_info->atom_context->bios +
+					   data_offset);
+
+		/* memory clock */
+		mpll->reference_freq = le32_to_cpu(umc_info->v31.mem_refclk_10khz);
+
+		mpll->reference_div = 0;
+		mpll->min_post_div = 1;
+		mpll->max_post_div = 1;
+		mpll->min_ref_div = 2;
+		mpll->max_ref_div = 0xff;
+		mpll->min_feedback_div = 4;
+		mpll->max_feedback_div = 0xff;
+		mpll->best_vco = 0;
+
+		ret = 0;
+	}
+
+	return ret;
+}