diff options
| author | Jani Nikula <[email protected]> | 2024-06-14 12:22:38 +0300 |
|---|---|---|
| committer | Jani Nikula <[email protected]> | 2024-06-17 11:54:31 +0300 |
| commit | 1cd377f33d4c042786f2d170a7097021787816f1 (patch) | |
| tree | 6b8b281401d78433e2d0cc0a962d767512d89d31 | |
| parent | d0a6e5015f0e1c8c40adee1119213f7d72bdb65d (diff) | |
drm/i915/cdclk: use i9xx_fsb_freq() for rawclk_freq initialization
Instead of duplicating the CLKCFG parsing, reuse i9xx_fsb_freq() to
figure out rawclk_freq where applicable.
Reviewed-by: Ville Syrjälä <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/21511f155f1f446e066117bc6ed3165618d7afd6.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_cdclk.c | 46 |
1 files changed, 3 insertions, 43 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index c5bc49e48c88..b6adcbd9025f 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -23,6 +23,7 @@ #include <linux/time.h> +#include "soc/intel_dram.h" #include "hsw_ips.h" #include "i915_reg.h" #include "intel_atomic.h" @@ -3539,10 +3540,8 @@ static int vlv_hrawclk(struct drm_i915_private *dev_priv) CCK_DISPLAY_REF_CLOCK_CONTROL); } -static int i9xx_hrawclk(struct drm_i915_private *dev_priv) +static int i9xx_hrawclk(struct drm_i915_private *i915) { - u32 clkcfg; - /* * hrawclock is 1/4 the FSB frequency * @@ -3553,46 +3552,7 @@ static int i9xx_hrawclk(struct drm_i915_private *dev_priv) * don't know which registers have that information, * and all the relevant docs have gone to bit heaven :( */ - clkcfg = intel_de_read(dev_priv, CLKCFG) & CLKCFG_FSB_MASK; - - if (IS_MOBILE(dev_priv)) { - switch (clkcfg) { - case CLKCFG_FSB_400: - return 100000; - case CLKCFG_FSB_533: - return 133333; - case CLKCFG_FSB_667: - return 166667; - case CLKCFG_FSB_800: - return 200000; - case CLKCFG_FSB_1067: - return 266667; - case CLKCFG_FSB_1333: - return 333333; - default: - MISSING_CASE(clkcfg); - return 133333; - } - } else { - switch (clkcfg) { - case CLKCFG_FSB_400_ALT: - return 100000; - case CLKCFG_FSB_533: - return 133333; - case CLKCFG_FSB_667: - return 166667; - case CLKCFG_FSB_800: - return 200000; - case CLKCFG_FSB_1067_ALT: - return 266667; - case CLKCFG_FSB_1333_ALT: - return 333333; - case CLKCFG_FSB_1600_ALT: - return 400000; - default: - return 133333; - } - } + return DIV_ROUND_CLOSEST(i9xx_fsb_freq(i915), 4); } /** |