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authorAnusha Srivatsa <anusha.srivatsa@intel.com>2022-10-25 15:30:40 -0700
committerAnusha Srivatsa <anusha.srivatsa@intel.com>2022-10-26 13:45:04 -0700
commit1d32f5d6e416768fdfc0d6f9b8659f57c0f779f3 (patch)
tree32b3c79303e4e862805363526185ec7c2a1de3ff /drivers/gpu/drm/i915
parentc74b644f26e9c0600573521aefd486d9c9dfc566 (diff)
drm/i915/display: Introduce HAS_CDCLK_SQUASH macro
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@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com> Reviewed-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221025223042.138810-2-anusha.srivatsa@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/display/intel_cdclk.c15
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h1
-rw-r--r--drivers/gpu/drm/i915/i915_pci.c1
-rw-r--r--drivers/gpu/drm/i915/intel_device_info.h1
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 e18b66b8640b..59125a3d0c25 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -865,6 +865,7 @@ 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 99624c71b732..7676ce5f7379 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -1063,6 +1063,7 @@ static const struct intel_device_info xehpsdv_info = {
.has_heci_pxp = 1, \
.needs_compact_pt = 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 4da73f4e4751..3b2c8618abc6 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -179,6 +179,7 @@ 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); \