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From 653660e76326b5792d900e45ad02a02ae7f2773a Mon Sep 17 00:00:00 2001
From: Chris Park <Chris.Park@amd.com>
Date: Thu, 28 Jan 2016 18:49:24 -0500
Subject: [PATCH 1316/1565] drm/amd/dal: Set correct dentist clock value
Dentist VCO Frequency Clock
APU uses Integrated Info Table.
Discrete uses Frimware Info Table.
Change-Id: I8c73c81d544e72aea27e7d0e5f7b842a956f6203
Signed-off-by: Chris Park <Chris.Park@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
---
drivers/gpu/drm/amd/dal/dc/gpu/dce110/display_clock_dce110.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/dal/dc/gpu/dce110/display_clock_dce110.c b/drivers/gpu/drm/amd/dal/dc/gpu/dce110/display_clock_dce110.c
index 9252b5c..7ff8a74 100644
--- a/drivers/gpu/drm/amd/dal/dc/gpu/dce110/display_clock_dce110.c
+++ b/drivers/gpu/drm/amd/dal/dc/gpu/dce110/display_clock_dce110.c
@@ -647,17 +647,24 @@ static bool display_clock_integrated_info_construct(
struct adapter_service *as)
{
struct integrated_info info;
+ struct firmware_info fw_info;
uint32_t i;
struct display_clock *base = &disp_clk->disp_clk_base;
bool res;
dc_service_memset(&info, 0, sizeof(struct integrated_info));
+ dc_service_memset(&fw_info, 0, sizeof(struct firmware_info));
res = dal_adapter_service_get_integrated_info(as, &info);
disp_clk->dentist_vco_freq_khz = info.dentist_vco_freq;
- if (disp_clk->dentist_vco_freq_khz == 0)
- disp_clk->dentist_vco_freq_khz = 3600000;
+ if (disp_clk->dentist_vco_freq_khz == 0) {
+ dal_adapter_service_get_firmware_info(as, &fw_info);
+ disp_clk->dentist_vco_freq_khz =
+ fw_info.smu_gpu_pll_output_freq;
+ if (disp_clk->dentist_vco_freq_khz == 0)
+ disp_clk->dentist_vco_freq_khz = 3600000;
+ }
base->min_display_clk_threshold_khz =
disp_clk->dentist_vco_freq_khz / 64;
--
1.9.1
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