openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/i915: Make intel_ddi_calculate_wrpll() HSW/BDW specific 

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2014-07-29 18:06:23 +01:00 committed by Daniel Vetter
parent 0220ab6e00
commit d664c0cece
1 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/gpu/drm/i915/intel_ddi.c
View File

@ -644,8 +644,8 @@ void intel_ddi_clock_get(struct intel_encoder *encoder,
}
static void
intel_ddi_calculate_wrpll(int clock /* in Hz */,
unsigned *r2_out, unsigned *n2_out, unsigned *p_out)
hsw_ddi_calculate_wrpll(int clock /* in Hz */,
unsigned *r2_out, unsigned *n2_out, unsigned *p_out)
{
uint64_t freq2k;
unsigned p, n2, r2;
@ -709,14 +709,16 @@ intel_ddi_calculate_wrpll(int clock /* in Hz */,
}
static bool
hsw_ddi_pll_select(struct intel_crtc *intel_crtc, int output, int clock)
hsw_ddi_pll_select(struct intel_crtc *intel_crtc,
struct intel_encoder *intel_encoder,
int clock)
{
if (output == INTEL_OUTPUT_HDMI) {
if (intel_encoder->type == INTEL_OUTPUT_HDMI) {
struct intel_shared_dpll *pll;
uint32_t val;
unsigned p, n2, r2;
intel_ddi_calculate_wrpll(clock * 1000, &r2, &n2, &p);
hsw_ddi_calculate_wrpll(clock * 1000, &r2, &n2, &p);
val = WRPLL_PLL_ENABLE | WRPLL_PLL_LCPLL |
WRPLL_DIVIDER_REFERENCE(r2) | WRPLL_DIVIDER_FEEDBACK(n2) |
@ -749,12 +751,11 @@ bool intel_ddi_pll_select(struct intel_crtc *intel_crtc)
{
struct drm_crtc *crtc = &intel_crtc->base;
struct intel_encoder *intel_encoder = intel_ddi_get_crtc_encoder(crtc);
int type = intel_encoder->type;
int clock = intel_crtc->config.port_clock;
intel_put_shared_dpll(intel_crtc);
return hsw_ddi_pll_select(intel_crtc, type, clock);
return hsw_ddi_pll_select(intel_crtc, intel_encoder, clock);
}
void intel_ddi_set_pipe_settings(struct drm_crtc *crtc)