summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/intel_ddi.c
diff options
context:
space:
mode:
authorDamien Lespiau2014-07-29 19:06:23 +0200
committerDaniel Vetter2014-08-08 17:43:38 +0200
commitd664c0cece2dd410d8134aa820112e471e3592dd (patch)
treeba18ac7ec2932db957c5e87fce56d8576b7a252f /drivers/gpu/drm/i915/intel_ddi.c
parentdrm/i915: Split the BDW/HSW specific shared pll selection (diff)
downloadkernel-qcow2-linux-d664c0cece2dd410d8134aa820112e471e3592dd.tar.gz
kernel-qcow2-linux-d664c0cece2dd410d8134aa820112e471e3592dd.tar.xz
kernel-qcow2-linux-d664c0cece2dd410d8134aa820112e471e3592dd.zip
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>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 09599851f1a8..eb8e494ce569 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -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)