From: Jani Nikula Date: Fri, 14 Jun 2024 09:22:32 +0000 (+0300) Subject: drm/i915/dram: split out pnv DDR3 detection X-Git-Tag: v6.11-rc1~141^2~20^2~19 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e6534546a4b98542ec26375548dbca87f2e1e312;p=thirdparty%2Flinux.git drm/i915/dram: split out pnv DDR3 detection Split out the PNV DDR3 detection to a distinct step instead of conflating it with mem freq detection. Reviewed-by: Matt Roper Reviewed-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/c4bf9d32479ab5024e9daa37a996508f543f05e9.1718356614.git.jani.nikula@intel.com Signed-off-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/soc/intel_dram.c b/drivers/gpu/drm/i915/soc/intel_dram.c index 3dce9b9a2c5e1..1a4db52ac2581 100644 --- a/drivers/gpu/drm/i915/soc/intel_dram.c +++ b/drivers/gpu/drm/i915/soc/intel_dram.c @@ -43,6 +43,11 @@ static const char *intel_dram_type_str(enum intel_dram_type type) #undef DRAM_TYPE_STR +static bool pnv_is_ddr3(struct drm_i915_private *i915) +{ + return intel_uncore_read(&i915->uncore, CSHRDDR3CTL) & CSHRDDR3CTL_DDR3; +} + static void pnv_detect_mem_freq(struct drm_i915_private *dev_priv) { u32 tmp; @@ -60,10 +65,6 @@ static void pnv_detect_mem_freq(struct drm_i915_private *dev_priv) dev_priv->mem_freq = 800; break; } - - /* detect pineview DDR3 setting */ - tmp = intel_uncore_read(&dev_priv->uncore, CSHRDDR3CTL); - dev_priv->is_ddr3 = (tmp & CSHRDDR3CTL_DDR3) ? 1 : 0; } static void ilk_detect_mem_freq(struct drm_i915_private *dev_priv) @@ -143,6 +144,9 @@ static void detect_mem_freq(struct drm_i915_private *i915) else if (IS_VALLEYVIEW(i915)) vlv_detect_mem_freq(i915); + if (IS_PINEVIEW(i915)) + i915->is_ddr3 = pnv_is_ddr3(i915); + if (i915->mem_freq) drm_dbg(&i915->drm, "DDR speed: %d MHz\n", i915->mem_freq); }