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path: root/drivers/gpu/drm/radeon/radeon_atombios.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_atombios.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index e4f7e3e82a50..11573d085e61 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1086,6 +1086,7 @@ union firmware_info {
ATOM_FIRMWARE_INFO_V1_3 info_13;
ATOM_FIRMWARE_INFO_V1_4 info_14;
ATOM_FIRMWARE_INFO_V2_1 info_21;
+ ATOM_FIRMWARE_INFO_V2_2 info_22;
};
bool radeon_atom_get_clock_info(struct drm_device *dev)
@@ -1160,8 +1161,12 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
*p2pll = *p1pll;
/* system clock */
- spll->reference_freq =
- le16_to_cpu(firmware_info->info.usReferenceClock);
+ if (ASIC_IS_DCE4(rdev))
+ spll->reference_freq =
+ le16_to_cpu(firmware_info->info_21.usCoreReferenceClock);
+ else
+ spll->reference_freq =
+ le16_to_cpu(firmware_info->info.usReferenceClock);
spll->reference_div = 0;
spll->pll_out_min =
@@ -1183,8 +1188,12 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
le16_to_cpu(firmware_info->info.usMaxEngineClockPLL_Input);
/* memory clock */
- mpll->reference_freq =
- le16_to_cpu(firmware_info->info.usReferenceClock);
+ if (ASIC_IS_DCE4(rdev))
+ mpll->reference_freq =
+ le16_to_cpu(firmware_info->info_21.usMemoryReferenceClock);
+ else
+ mpll->reference_freq =
+ le16_to_cpu(firmware_info->info.usReferenceClock);
mpll->reference_div = 0;
mpll->pll_out_min =
@@ -1213,8 +1222,12 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
if (ASIC_IS_DCE4(rdev)) {
rdev->clock.default_dispclk =
le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq);
- if (rdev->clock.default_dispclk == 0)
- rdev->clock.default_dispclk = 60000; /* 600 Mhz */
+ if (rdev->clock.default_dispclk == 0) {
+ if (ASIC_IS_DCE5(rdev))
+ rdev->clock.default_dispclk = 54000; /* 540 Mhz */
+ else
+ rdev->clock.default_dispclk = 60000; /* 600 Mhz */
+ }
rdev->clock.dp_extclk =
le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
}