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From e79cbfc78a628087d4840631e9f0778ae6798d25 Mon Sep 17 00:00:00 2001
From: Mikita Lipski <mikita.lipski@amd.com>
Date: Thu, 31 May 2018 14:44:18 -0400
Subject: [PATCH 4788/5725] drm/amd/display: Convert 10kHz clks from PPLib into
kHz
The driver is expecting clock frequency in kHz, while SMU returns
the values in 10kHz, which causes the bandwidth validation to fail
Signed-off-by: Mikita Lipski <mikita.lipski@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
index 08a0328..4f86f6f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
@@ -267,8 +267,9 @@ static void pp_to_dc_clock_levels_with_voltage(
DC_DECODE_PP_CLOCK_TYPE(dc_clk_type));
for (i = 0; i < clk_level_info->num_levels; i++) {
- DRM_INFO("DM_PPLIB:\t %d\n", pp_clks->data[i].clocks_in_khz);
- clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz;
+ DRM_INFO("DM_PPLIB:\t %d in 10kHz\n", pp_clks->data[i].clocks_in_khz);
+ /* translate 10kHz to kHz */
+ clk_level_info->data[i].clocks_in_khz = pp_clks->data[i].clocks_in_khz * 10;
clk_level_info->data[i].voltage_in_mv = pp_clks->data[i].voltage_in_mv;
}
}
@@ -430,8 +431,9 @@ bool dm_pp_get_static_clocks(
return false;
static_clk_info->max_clocks_state = pp_clk_info.max_clocks_state;
- static_clk_info->max_mclk_khz = pp_clk_info.max_memory_clock;
- static_clk_info->max_sclk_khz = pp_clk_info.max_engine_clock;
+ /* translate 10kHz to kHz */
+ static_clk_info->max_mclk_khz = pp_clk_info.max_memory_clock * 10;
+ static_clk_info->max_sclk_khz = pp_clk_info.max_engine_clock * 10;
return true;
}
--
2.7.4
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