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drm/i915: Parametrize CBR_DPLLBMD_PIPE defines 

Apply a bit of polish by parametrizing the CBR_DPLLBMD_PIPE defines.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170913140900.6972-3-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Ville Syrjälä 2017-09-13 17:08:54 +03:00
parent ecf837d98e
commit dfa311f0d8
2 changed files with 2 additions and 3 deletions
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3
drivers/gpu/drm/i915/i915_reg.h
View File

@ -5684,8 +5684,7 @@ enum {
#define CBR_PWM_CLOCK_MUX_SELECT (1<<30)
#define CBR4_VLV _MMIO(VLV_DISPLAY_BASE + 0x70450)
#define CBR_DPLLBMD_PIPE_C (1<<29)
#define CBR_DPLLBMD_PIPE_B (1<<18)
#define CBR_DPLLBMD_PIPE(pipe) (1<<(7+(pipe)*11)) /* pipes B and C */
/* FIFO watermark sizes etc */
#define G4X_FIFO_LINE_SIZE 64

2
drivers/gpu/drm/i915/intel_display.c
View File

@ -1539,7 +1539,7 @@ static void chv_enable_pll(struct intel_crtc *crtc,
* DPLLCMD is AWOL. Use chicken bits to propagate
* the value from DPLLBMD to either pipe B or C.
*/
I915_WRITE(CBR4_VLV, pipe == PIPE_B ? CBR_DPLLBMD_PIPE_B : CBR_DPLLBMD_PIPE_C);
I915_WRITE(CBR4_VLV, CBR_DPLLBMD_PIPE(pipe));
I915_WRITE(DPLL_MD(PIPE_B), pipe_config->dpll_hw_state.dpll_md);
I915_WRITE(CBR4_VLV, 0);
dev_priv->chv_dpll_md[pipe] = pipe_config->dpll_hw_state.dpll_md;