drm/radeon/kms: DCE5 atom SetPixelClock updates
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 9fbabaa..b3e5e75 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -673,9 +673,14 @@
PIXEL_CLOCK_PARAMETERS_V2 v2;
PIXEL_CLOCK_PARAMETERS_V3 v3;
PIXEL_CLOCK_PARAMETERS_V5 v5;
+ PIXEL_CLOCK_PARAMETERS_V6 v6;
};
-static void atombios_crtc_set_dcpll(struct drm_crtc *crtc)
+/* on DCE5, make sure the voltage is high enough to support the
+ * required disp clk.
+ */
+static void atombios_crtc_set_dcpll(struct drm_crtc *crtc,
+ u32 dispclk)
{
struct drm_device *dev = crtc->dev;
struct radeon_device *rdev = dev->dev_private;
@@ -698,9 +703,16 @@
* SetPixelClock provides the dividers
*/
args.v5.ucCRTC = ATOM_CRTC_INVALID;
- args.v5.usPixelClock = rdev->clock.default_dispclk;
+ args.v5.usPixelClock = dispclk;
args.v5.ucPpll = ATOM_DCPLL;
break;
+ case 6:
+ /* if the default dcpll clock is specified,
+ * SetPixelClock provides the dividers
+ */
+ args.v6.ulDispEngClkFreq = dispclk;
+ args.v6.ucPpll = ATOM_DCPLL;
+ break;
default:
DRM_ERROR("Unknown table version %d %d\n", frev, crev);
return;
@@ -784,6 +796,18 @@
args.v5.ucEncoderMode = encoder_mode;
args.v5.ucPpll = pll_id;
break;
+ case 6:
+ args.v6.ulCrtcPclkFreq.ucCRTC = crtc_id;
+ args.v6.ulCrtcPclkFreq.ulPixelClock = cpu_to_le32(clock / 10);
+ args.v6.ucRefDiv = ref_div;
+ args.v6.usFbDiv = cpu_to_le16(fb_div);
+ args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
+ args.v6.ucPostDiv = post_div;
+ args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
+ args.v6.ucTransmitterID = encoder_id;
+ args.v6.ucEncoderMode = encoder_mode;
+ args.v6.ucPpll = pll_id;
+ break;
default:
DRM_ERROR("Unknown table version %d %d\n", frev, crev);
return;
@@ -1377,7 +1401,8 @@
rdev->clock.default_dispclk);
if (ss_enabled)
atombios_crtc_program_ss(crtc, ATOM_DISABLE, ATOM_DCPLL, &ss);
- atombios_crtc_set_dcpll(crtc);
+ /* XXX: DCE5, make sure voltage, dispclk is high enough */
+ atombios_crtc_set_dcpll(crtc, rdev->clock.default_dispclk);
if (ss_enabled)
atombios_crtc_program_ss(crtc, ATOM_ENABLE, ATOM_DCPLL, &ss);
}
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index e4f7e3e..11573d0 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1086,6 +1086,7 @@
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 @@
*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 @@
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 @@
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);
}