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drm/i915: Refactor bdw_get_pipemisc_bpp

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Move bdw_get_pipemisc_bpp alongside bdw_set_pipemisc

Signed-off-by: Vandita Kulkarni <vandita.kulkarni@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1556809862-31203-2-git-send-email-vandita.kulkarni@intel.com
This commit is contained in:
Vandita Kulkarni 2019-05-02 20:41:00 +05:30 committed by Jani Nikula
parent 3c23ed1311
commit 8ae897435f
3 changed files with 23 additions and 22 deletions
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22
drivers/gpu/drm/i915/intel_display.c
View File

@ -8961,6 +8961,28 @@ static void bdw_set_pipemisc(const struct intel_crtc_state *crtc_state)
I915_WRITE(PIPEMISC(crtc->pipe), val);
}
int bdw_get_pipemisc_bpp(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
u32 tmp;
tmp = I915_READ(PIPEMISC(crtc->pipe));
switch (tmp & PIPEMISC_DITHER_BPC_MASK) {
case PIPEMISC_DITHER_6_BPC:
return 18;
case PIPEMISC_DITHER_8_BPC:
return 24;
case PIPEMISC_DITHER_10_BPC:
return 30;
case PIPEMISC_DITHER_12_BPC:
return 36;
default:
MISSING_CASE(tmp);
return 0;
}
}
int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp)
{
/*

1
drivers/gpu/drm/i915/intel_drv.h
View File

@ -1617,6 +1617,7 @@ int skl_format_to_fourcc(int format, bool rgb_order, bool alpha);
unsigned int i9xx_plane_max_stride(struct intel_plane *plane,
u32 pixel_format, u64 modifier,
unsigned int rotation);
int bdw_get_pipemisc_bpp(struct intel_crtc *crtc);
/* intel_runtime_pm.c */
static inline void

22
drivers/gpu/drm/i915/vlv_dsi.c
View File

@ -262,28 +262,6 @@ static void band_gap_reset(struct drm_i915_private *dev_priv)
vlv_flisdsi_put(dev_priv);
}
static int bdw_get_pipemisc_bpp(struct intel_crtc *crtc)
{
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
u32 tmp;
tmp = I915_READ(PIPEMISC(crtc->pipe));
switch (tmp & PIPEMISC_DITHER_BPC_MASK) {
case PIPEMISC_DITHER_6_BPC:
return 18;
case PIPEMISC_DITHER_8_BPC:
return 24;
case PIPEMISC_DITHER_10_BPC:
return 30;
case PIPEMISC_DITHER_12_BPC:
return 36;
default:
MISSING_CASE(tmp);
return 0;
}
}
static int intel_dsi_compute_config(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config,
struct drm_connector_state *conn_state)