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drm/radeon/kms: DCE5 atom SetPixelClock updates

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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2011-01-06 21:19:15 -05:00
committed by Dave Airlie
parent 881dd74ea7
commit f82b3ddc5f
2 changed files with 47 additions and 9 deletions
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25
drivers/gpu/drm/radeon/radeon_atombios.c
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@@ -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);
}