diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_cdclk.c | 64 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 3 |
2 files changed, 42 insertions, 25 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c index d57dfec7e9a5..9419a4724357 100644 --- a/drivers/gpu/drm/i915/display/intel_cdclk.c +++ b/drivers/gpu/drm/i915/display/intel_cdclk.c @@ -2700,7 +2700,7 @@ static int vlv_hrawclk(struct drm_i915_private *dev_priv) CCK_DISPLAY_REF_CLOCK_CONTROL); } -static int g4x_hrawclk(struct drm_i915_private *dev_priv) +static int i9xx_hrawclk(struct drm_i915_private *dev_priv) { u32 clkcfg; @@ -2716,27 +2716,43 @@ static int g4x_hrawclk(struct drm_i915_private *dev_priv) */ clkcfg = intel_de_read(dev_priv, CLKCFG) & CLKCFG_FSB_MASK; - /* ELK seems to redefine some of the values */ - if (IS_G45(dev_priv) && clkcfg == CLKCFG_FSB_1600_ALT) - return 400000; - - 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: - case CLKCFG_FSB_1067_ALT: - return 266667; - case CLKCFG_FSB_1333: - case CLKCFG_FSB_1333_ALT: - return 333333; - default: - return 133333; + 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; + } } } @@ -2757,8 +2773,8 @@ u32 intel_read_rawclk(struct drm_i915_private *dev_priv) freq = pch_rawclk(dev_priv); else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) freq = vlv_hrawclk(dev_priv); - else if (IS_G4X(dev_priv) || IS_PINEVIEW(dev_priv)) - freq = g4x_hrawclk(dev_priv); + else if (INTEL_GEN(dev_priv) >= 3) + freq = i9xx_hrawclk(dev_priv); else /* no rawclk on other platforms, or no need to know it */ return 0; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 10187780e06c..f774ec2bcc99 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3768,7 +3768,8 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg) /* Clocking configuration register */ #define CLKCFG _MMIO(MCHBAR_MIRROR_BASE + 0xc00) -#define CLKCFG_FSB_400 (5 << 0) /* hrawclk 100 */ +#define CLKCFG_FSB_400 (0 << 0) /* hrawclk 100 */ +#define CLKCFG_FSB_400_ALT (5 << 0) /* hrawclk 100 */ #define CLKCFG_FSB_533 (1 << 0) /* hrawclk 133 */ #define CLKCFG_FSB_667 (3 << 0) /* hrawclk 166 */ #define CLKCFG_FSB_800 (2 << 0) /* hrawclk 200 */ |