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path: root/drivers/gpu/drm/radeon/atombios_crtc.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
-rw-r--r--drivers/gpu/drm/radeon/atombios_crtc.c100
1 files changed, 91 insertions, 9 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index 72672ea3f6d..083b3eada00 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -231,6 +231,22 @@ static void atombios_blank_crtc(struct drm_crtc *crtc, int state)
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
+static void atombios_powergate_crtc(struct drm_crtc *crtc, int state)
+{
+ struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
+ int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating);
+ ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args;
+
+ memset(&args, 0, sizeof(args));
+
+ args.ucDispPipeId = radeon_crtc->crtc_id;
+ args.ucEnable = state;
+
+ atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
{
struct drm_device *dev = crtc->dev;
@@ -242,8 +258,11 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
radeon_crtc->enabled = true;
/* adjust pm to dpms changes BEFORE enabling crtcs */
radeon_pm_compute_clocks(rdev);
+ /* disable crtc pair power gating before programming */
+ if (ASIC_IS_DCE6(rdev))
+ atombios_powergate_crtc(crtc, ATOM_DISABLE);
atombios_enable_crtc(crtc, ATOM_ENABLE);
- if (ASIC_IS_DCE3(rdev))
+ if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
atombios_blank_crtc(crtc, ATOM_DISABLE);
drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
@@ -255,10 +274,29 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
if (radeon_crtc->enabled)
atombios_blank_crtc(crtc, ATOM_ENABLE);
- if (ASIC_IS_DCE3(rdev))
+ if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
atombios_enable_crtc(crtc, ATOM_DISABLE);
radeon_crtc->enabled = false;
+ /* power gating is per-pair */
+ if (ASIC_IS_DCE6(rdev)) {
+ struct drm_crtc *other_crtc;
+ struct radeon_crtc *other_radeon_crtc;
+ list_for_each_entry(other_crtc, &rdev->ddev->mode_config.crtc_list, head) {
+ other_radeon_crtc = to_radeon_crtc(other_crtc);
+ if (((radeon_crtc->crtc_id == 0) && (other_radeon_crtc->crtc_id == 1)) ||
+ ((radeon_crtc->crtc_id == 1) && (other_radeon_crtc->crtc_id == 0)) ||
+ ((radeon_crtc->crtc_id == 2) && (other_radeon_crtc->crtc_id == 3)) ||
+ ((radeon_crtc->crtc_id == 3) && (other_radeon_crtc->crtc_id == 2)) ||
+ ((radeon_crtc->crtc_id == 4) && (other_radeon_crtc->crtc_id == 5)) ||
+ ((radeon_crtc->crtc_id == 5) && (other_radeon_crtc->crtc_id == 4))) {
+ /* if both crtcs in the pair are off, enable power gating */
+ if (other_radeon_crtc->enabled == false)
+ atombios_powergate_crtc(crtc, ATOM_ENABLE);
+ break;
+ }
+ }
+ }
/* adjust pm to dpms changes AFTER disabling crtcs */
radeon_pm_compute_clocks(rdev);
break;
@@ -436,7 +474,7 @@ static void atombios_crtc_program_ss(struct radeon_device *rdev,
return;
}
args.v3.ucEnable = enable;
- if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK))
+ if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK) || ASIC_IS_DCE61(rdev))
args.v3.ucEnable = ATOM_DISABLE;
} else if (ASIC_IS_DCE4(rdev)) {
args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
@@ -699,7 +737,7 @@ union set_pixel_clock {
/* on DCE5, make sure the voltage is high enough to support the
* required disp clk.
*/
-static void atombios_crtc_set_dcpll(struct radeon_device *rdev,
+static void atombios_crtc_set_disp_eng_pll(struct radeon_device *rdev,
u32 dispclk)
{
u8 frev, crev;
@@ -729,7 +767,12 @@ static void atombios_crtc_set_dcpll(struct radeon_device *rdev,
* SetPixelClock provides the dividers
*/
args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk);
- args.v6.ucPpll = ATOM_DCPLL;
+ if (ASIC_IS_DCE61(rdev))
+ args.v6.ucPpll = ATOM_EXT_PLL1;
+ else if (ASIC_IS_DCE6(rdev))
+ args.v6.ucPpll = ATOM_PPLL0;
+ else
+ args.v6.ucPpll = ATOM_DCPLL;
break;
default:
DRM_ERROR("Unknown table version %d %d\n", frev, crev);
@@ -1444,7 +1487,36 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
struct drm_crtc *test_crtc;
uint32_t pll_in_use = 0;
- if (ASIC_IS_DCE4(rdev)) {
+ if (ASIC_IS_DCE61(rdev)) {
+ list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
+ if (test_encoder->crtc && (test_encoder->crtc == crtc)) {
+ struct radeon_encoder *test_radeon_encoder =
+ to_radeon_encoder(test_encoder);
+ struct radeon_encoder_atom_dig *dig =
+ test_radeon_encoder->enc_priv;
+
+ if ((test_radeon_encoder->encoder_id ==
+ ENCODER_OBJECT_ID_INTERNAL_UNIPHY) &&
+ (dig->linkb == false)) /* UNIPHY A uses PPLL2 */
+ return ATOM_PPLL2;
+ }
+ }
+ /* UNIPHY B/C/D/E/F */
+ list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
+ struct radeon_crtc *radeon_test_crtc;
+
+ if (crtc == test_crtc)
+ continue;
+
+ radeon_test_crtc = to_radeon_crtc(test_crtc);
+ if ((radeon_test_crtc->pll_id == ATOM_PPLL0) ||
+ (radeon_test_crtc->pll_id == ATOM_PPLL1))
+ pll_in_use |= (1 << radeon_test_crtc->pll_id);
+ }
+ if (!(pll_in_use & 4))
+ return ATOM_PPLL0;
+ return ATOM_PPLL1;
+ } else if (ASIC_IS_DCE4(rdev)) {
list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
if (test_encoder->crtc && (test_encoder->crtc == crtc)) {
/* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock,
@@ -1483,10 +1555,12 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc)
}
-void radeon_atom_dcpll_init(struct radeon_device *rdev)
+void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev)
{
/* always set DCPLL */
- if (ASIC_IS_DCE4(rdev)) {
+ if (ASIC_IS_DCE6(rdev))
+ atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk);
+ else if (ASIC_IS_DCE4(rdev)) {
struct radeon_atom_ss ss;
bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss,
ASIC_INTERNAL_SS_ON_DCPLL,
@@ -1494,7 +1568,7 @@ void radeon_atom_dcpll_init(struct radeon_device *rdev)
if (ss_enabled)
atombios_crtc_program_ss(rdev, ATOM_DISABLE, ATOM_DCPLL, &ss);
/* XXX: DCE5, make sure voltage, dispclk is high enough */
- atombios_crtc_set_dcpll(rdev, rdev->clock.default_dispclk);
+ atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk);
if (ss_enabled)
atombios_crtc_program_ss(rdev, ATOM_ENABLE, ATOM_DCPLL, &ss);
}
@@ -1572,6 +1646,8 @@ static void atombios_crtc_commit(struct drm_crtc *crtc)
static void atombios_crtc_disable(struct drm_crtc *crtc)
{
struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
+ struct radeon_device *rdev = dev->dev_private;
struct radeon_atom_ss ss;
atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
@@ -1583,6 +1659,12 @@ static void atombios_crtc_disable(struct drm_crtc *crtc)
atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
break;
+ case ATOM_PPLL0:
+ /* disable the ppll */
+ if (ASIC_IS_DCE61(rdev))
+ atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
+ 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
+ break;
default:
break;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-31 13:39:34 +0000