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Merge tag 'drm-intel-fixes-2017-10-04' of git://anongit.freedesktop.org/git/drm-intel into drm-fixes

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drm/i915 fixes for 4.14-rc4:

All 3 highest GLK bugs fixed by Imre:
- GLK drv reload - Fix DDI Phy init if it was already on.
- GLK suspend resume - Reprogram DMC firmware after s3/s4.
- GLK DC states - Fix idleness calculation.

* tag 'drm-intel-fixes-2017-10-04' of git://anongit.freedesktop.org/git/drm-intel:
  drm/i915/glk: Fix DMC/DC state idleness calculation
  drm/i915/cnl: Reprogram DMC firmware after S3/S4 resume
  drm/i915: Fix DDI PHY init if it was already on
This commit is contained in:
Dave Airlie 2017-10-06 11:09:29 +10:00
commit 00bb09c45c
4 changed files with 6 additions and 22 deletions
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2
drivers/gpu/drm/i915/intel_csr.c
View File

@ -216,7 +216,7 @@ static void gen9_set_dc_state_debugmask(struct drm_i915_private *dev_priv)
mask = DC_STATE_DEBUG_MASK_MEMORY_UP;
if (IS_BROXTON(dev_priv))
if (IS_GEN9_LP(dev_priv))
mask |= DC_STATE_DEBUG_MASK_CORES;
/* The below bit doesn't need to be cleared ever afterwards */

3
drivers/gpu/drm/i915/intel_ddi.c
View File

@ -1655,7 +1655,8 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder,
out:
if (ret && IS_GEN9_LP(dev_priv)) {
tmp = I915_READ(BXT_PHY_CTL(port));
if ((tmp & (BXT_PHY_LANE_POWERDOWN_ACK |
if ((tmp & (BXT_PHY_CMNLANE_POWERDOWN_ACK |
BXT_PHY_LANE_POWERDOWN_ACK |
BXT_PHY_LANE_ENABLED)) != BXT_PHY_LANE_ENABLED)
DRM_ERROR("Port %c enabled but PHY powered down? "
"(PHY_CTL %08x)\n", port_name(port), tmp);

20
drivers/gpu/drm/i915/intel_dpio_phy.c
View File

@ -208,12 +208,6 @@ static const struct bxt_ddi_phy_info glk_ddi_phy_info[] = {
},
};
static u32 bxt_phy_port_mask(const struct bxt_ddi_phy_info *phy_info)
{
return (phy_info->dual_channel * BIT(phy_info->channel[DPIO_CH1].port)) |
BIT(phy_info->channel[DPIO_CH0].port);
}
static const struct bxt_ddi_phy_info *
bxt_get_phy_list(struct drm_i915_private *dev_priv, int *count)
{
@ -313,7 +307,6 @@ bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv,
enum dpio_phy phy)
{
const struct bxt_ddi_phy_info *phy_info;
enum port port;
phy_info = bxt_get_phy_info(dev_priv, phy);
@ -335,19 +328,6 @@ bool bxt_ddi_phy_is_enabled(struct drm_i915_private *dev_priv,
return false;
}
for_each_port_masked(port, bxt_phy_port_mask(phy_info)) {
u32 tmp = I915_READ(BXT_PHY_CTL(port));
if (tmp & BXT_PHY_CMNLANE_POWERDOWN_ACK) {
DRM_DEBUG_DRIVER("DDI PHY %d powered, but common lane "
"for port %c powered down "
"(PHY_CTL %08x)\n",
phy, port_name(port), tmp);
return false;
}
}
return true;
}

3
drivers/gpu/drm/i915/intel_runtime_pm.c
View File

@ -2782,6 +2782,9 @@ static void cnl_display_core_init(struct drm_i915_private *dev_priv, bool resume
/* 6. Enable DBUF */
gen9_dbuf_enable(dev_priv);
if (resume && dev_priv->csr.dmc_payload)
intel_csr_load_program(dev_priv);
}
#undef CNL_PROCMON_IDX