Driver had discrepancy in how cdclk squash and crawl support
were checked. Like crawl, add squash as a 1 bit feature flag
to the display section of DG2.
Cc: Balasubramani Vivekanandan <balasubramani.vivekanandan@xxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_cdclk.c | 15 +++++----------
drivers/gpu/drm/i915/i915_drv.h | 1 +
drivers/gpu/drm/i915/i915_pci.c | 1 +
drivers/gpu/drm/i915/intel_device_info.h | 1 +
4 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 0f5add2fc51b..45babbc6290f 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -1220,11 +1220,6 @@ static void skl_cdclk_uninit_hw(struct drm_i915_private *dev_priv)
skl_set_cdclk(dev_priv, &cdclk_config, INVALID_PIPE);
}
-static bool has_cdclk_squash(struct drm_i915_private *i915)
-{
- return IS_DG2(i915);
-}
-
struct intel_cdclk_vals {
u32 cdclk;
u16 refclk;
@@ -1520,7 +1515,7 @@ static void bxt_get_cdclk(struct drm_i915_private *dev_priv,
return;
}
- if (has_cdclk_squash(dev_priv))
+ if (HAS_CDCLK_SQUASH(dev_priv))
squash_ctl = intel_de_read(dev_priv, CDCLK_SQUASH_CTL);
if (squash_ctl & CDCLK_SQUASH_ENABLE) {
@@ -1747,7 +1742,7 @@ static void bxt_set_cdclk(struct drm_i915_private *dev_priv,
else
clock = cdclk;
- if (has_cdclk_squash(dev_priv)) {
+ if (HAS_CDCLK_SQUASH(dev_priv)) {
u32 squash_ctl = 0;
if (waveform)
@@ -1845,7 +1840,7 @@ static void bxt_sanitize_cdclk(struct drm_i915_private *dev_priv)
expected = skl_cdclk_decimal(cdclk);
/* Figure out what CD2X divider we should be using for this cdclk */
- if (has_cdclk_squash(dev_priv))
+ if (HAS_CDCLK_SQUASH(dev_priv))
clock = dev_priv->display.cdclk.hw.vco / 2;
else
clock = dev_priv->display.cdclk.hw.cdclk;
@@ -1976,7 +1971,7 @@ static bool intel_cdclk_can_squash(struct drm_i915_private *dev_priv,
* the moment all platforms with squasher use a fixed cd2x
* divider.
*/
- if (!has_cdclk_squash(dev_priv))
+ if (!HAS_CDCLK_SQUASH(dev_priv))
return false;
return a->cdclk != b->cdclk &&
@@ -2028,7 +2023,7 @@ static bool intel_cdclk_can_cd2x_update(struct drm_i915_private *dev_priv,
* the moment all platforms with squasher use a fixed cd2x
* divider.
*/
- if (has_cdclk_squash(dev_priv))
+ if (HAS_CDCLK_SQUASH(dev_priv))
return false;
return a->cdclk != b->cdclk &&
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d7b8eb9d4117..db51050e3ba2 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -869,6 +869,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
#define HAS_DOUBLE_BUFFERED_M_N(dev_priv) (DISPLAY_VER(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
#define HAS_CDCLK_CRAWL(dev_priv) (INTEL_INFO(dev_priv)->display.has_cdclk_crawl)
+#define HAS_CDCLK_SQUASH(dev_priv) (INTEL_INFO(dev_priv)->display.has_cdclk_squash)
#define HAS_DDI(dev_priv) (INTEL_INFO(dev_priv)->display.has_ddi)
#define HAS_FPGA_DBG_UNCLAIMED(dev_priv) (INTEL_INFO(dev_priv)->display.has_fpga_dbg)
#define HAS_PSR(dev_priv) (INTEL_INFO(dev_priv)->display.has_psr)
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 19bf5ef6a20d..a88e1439a426 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -1064,6 +1064,7 @@ static const struct intel_device_info xehpsdv_info = {
.has_guc_deprivilege = 1, \
.has_heci_pxp = 1, \
.has_media_ratio_mode = 1, \
+ .display.has_cdclk_squash = 1, \
.__runtime.platform_engine_mask = \
BIT(RCS0) | BIT(BCS0) | \
BIT(VECS0) | BIT(VECS1) | \
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index cdf78728dcad..67d8759c802c 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -180,6 +180,7 @@ enum intel_ppgtt_type {
/* Keep in alphabetical order */ \
func(cursor_needs_physical); \
func(has_cdclk_crawl); \
+ func(has_cdclk_squash); \
func(has_ddi); \
func(has_dp_mst); \
func(has_dsb); \
--
2.25.1
