提交 ceb99320 编写于 作者: V Ville Syrjälä

drm/i915: Move ilk_pipe_pixel_rate() to intel_display.c

Move ilk_pipe_pixel_rate() next to its only caller
(intel_crtc_compute_pixel_rate()).
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: NAnder Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170120182205.8141-15-ville.syrjala@linux.intel.com
上级 b0587e4d
......@@ -6235,6 +6235,41 @@ static bool intel_crtc_supports_double_wide(const struct intel_crtc *crtc)
(crtc->pipe == PIPE_A || IS_I915G(dev_priv));
}
static uint32_t ilk_pipe_pixel_rate(const struct intel_crtc_state *pipe_config)
{
uint32_t pixel_rate;
pixel_rate = pipe_config->base.adjusted_mode.crtc_clock;
/*
* We only use IF-ID interlacing. If we ever use
* PF-ID we'll need to adjust the pixel_rate here.
*/
if (pipe_config->pch_pfit.enabled) {
uint64_t pipe_w, pipe_h, pfit_w, pfit_h;
uint32_t pfit_size = pipe_config->pch_pfit.size;
pipe_w = pipe_config->pipe_src_w;
pipe_h = pipe_config->pipe_src_h;
pfit_w = (pfit_size >> 16) & 0xFFFF;
pfit_h = pfit_size & 0xFFFF;
if (pipe_w < pfit_w)
pipe_w = pfit_w;
if (pipe_h < pfit_h)
pipe_h = pfit_h;
if (WARN_ON(!pfit_w || !pfit_h))
return pixel_rate;
pixel_rate = div_u64((uint64_t) pixel_rate * pipe_w * pipe_h,
pfit_w * pfit_h);
}
return pixel_rate;
}
static void intel_crtc_compute_pixel_rate(struct intel_crtc_state *crtc_state)
{
struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev);
......
......@@ -1822,7 +1822,6 @@ bool skl_wm_level_equals(const struct skl_wm_level *l1,
bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry **entries,
const struct skl_ddb_entry *ddb,
int ignore);
uint32_t ilk_pipe_pixel_rate(const struct intel_crtc_state *pipe_config);
bool ilk_disable_lp_wm(struct drm_device *dev);
int sanitize_rc6_option(struct drm_i915_private *dev_priv, int enable_rc6);
static inline int intel_enable_rc6(void)
......
......@@ -1714,39 +1714,6 @@ static void i845_update_wm(struct intel_crtc *unused_crtc)
I915_WRITE(FW_BLC, fwater_lo);
}
uint32_t ilk_pipe_pixel_rate(const struct intel_crtc_state *pipe_config)
{
uint32_t pixel_rate;
pixel_rate = pipe_config->base.adjusted_mode.crtc_clock;
/* We only use IF-ID interlacing. If we ever use PF-ID we'll need to
* adjust the pixel_rate here. */
if (pipe_config->pch_pfit.enabled) {
uint64_t pipe_w, pipe_h, pfit_w, pfit_h;
uint32_t pfit_size = pipe_config->pch_pfit.size;
pipe_w = pipe_config->pipe_src_w;
pipe_h = pipe_config->pipe_src_h;
pfit_w = (pfit_size >> 16) & 0xFFFF;
pfit_h = pfit_size & 0xFFFF;
if (pipe_w < pfit_w)
pipe_w = pfit_w;
if (pipe_h < pfit_h)
pipe_h = pfit_h;
if (WARN_ON(!pfit_w || !pfit_h))
return pixel_rate;
pixel_rate = div_u64((uint64_t) pixel_rate * pipe_w * pipe_h,
pfit_w * pfit_h);
}
return pixel_rate;
}
/* latency must be in 0.1us units. */
static uint32_t ilk_wm_method1(uint32_t pixel_rate, uint8_t cpp, uint32_t latency)
{
......
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