From 1d32f5d6e416768fdfc0d6f9b8659f57c0f779f3 Mon Sep 17 00:00:00 2001 From: Anusha Srivatsa Date: Tue, 25 Oct 2022 15:30:40 -0700 Subject: [PATCH] drm/i915/display: Introduce HAS_CDCLK_SQUASH macro MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Cc: Ville Syrjälä Signed-off-by: Anusha Srivatsa Reviewed-by: Balasubramani Vivekanandan Link: https://patchwork.freedesktop.org/patch/msgid/20221025223042.138810-2-anusha.srivatsa@intel.com --- 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 0f5add2..45babbc 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 e18b66b..59125a3 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 99624c7..7676ce5 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 4da73f4..3b2c861 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); \ -- 2.7.4