summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/intel_ddi.c
diff options
context:
space:
mode:
authorLucas De Marchi <lucas.demarchi@intel.com>2019-03-23 01:37:48 +0300
committerLucas De Marchi <lucas.demarchi@intel.com>2019-03-26 19:30:12 +0300
commit47c9877e9be326f2dfaca5c771919ea3bb7e0ef8 (patch)
tree458abcf74413078cf6533fddd859b764bf321d43 /drivers/gpu/drm/i915/intel_ddi.c
parent947f44174684eb0499f2255c256a8b61ae985057 (diff)
downloadlinux-47c9877e9be326f2dfaca5c771919ea3bb7e0ef8.tar.xz
drm/i915/bxt: make bxt_calc_pll_link() similar to skl
Rename state to pll_state and use it as the argument to bxt_calc_pll_link(), similar to how it's done in the skl variant. The WARN_ON(!crtc_state->shared_dpll) is not very useful, so remove it as well. Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190322223751.22089-3-lucas.demarchi@intel.com Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ddi.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index a995b463aa33..975dbf6c7fba 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1629,24 +1629,17 @@ static void hsw_ddi_clock_get(struct intel_encoder *encoder,
ddi_dotclock_get(pipe_config);
}
-static int bxt_calc_pll_link(struct intel_crtc_state *crtc_state)
+static int bxt_calc_pll_link(const struct intel_dpll_hw_state *pll_state)
{
- struct intel_dpll_hw_state *state;
struct dpll clock;
- /* For DDI ports we always use a shared PLL. */
- if (WARN_ON(!crtc_state->shared_dpll))
- return 0;
-
- state = &crtc_state->dpll_hw_state;
-
clock.m1 = 2;
- clock.m2 = (state->pll0 & PORT_PLL_M2_MASK) << 22;
- if (state->pll3 & PORT_PLL_M2_FRAC_ENABLE)
- clock.m2 |= state->pll2 & PORT_PLL_M2_FRAC_MASK;
- clock.n = (state->pll1 & PORT_PLL_N_MASK) >> PORT_PLL_N_SHIFT;
- clock.p1 = (state->ebb0 & PORT_PLL_P1_MASK) >> PORT_PLL_P1_SHIFT;
- clock.p2 = (state->ebb0 & PORT_PLL_P2_MASK) >> PORT_PLL_P2_SHIFT;
+ clock.m2 = (pll_state->pll0 & PORT_PLL_M2_MASK) << 22;
+ if (pll_state->pll3 & PORT_PLL_M2_FRAC_ENABLE)
+ clock.m2 |= pll_state->pll2 & PORT_PLL_M2_FRAC_MASK;
+ clock.n = (pll_state->pll1 & PORT_PLL_N_MASK) >> PORT_PLL_N_SHIFT;
+ clock.p1 = (pll_state->ebb0 & PORT_PLL_P1_MASK) >> PORT_PLL_P1_SHIFT;
+ clock.p2 = (pll_state->ebb0 & PORT_PLL_P2_MASK) >> PORT_PLL_P2_SHIFT;
return chv_calc_dpll_params(100000, &clock);
}
@@ -1654,7 +1647,8 @@ static int bxt_calc_pll_link(struct intel_crtc_state *crtc_state)
static void bxt_ddi_clock_get(struct intel_encoder *encoder,
struct intel_crtc_state *pipe_config)
{
- pipe_config->port_clock = bxt_calc_pll_link(pipe_config);
+ pipe_config->port_clock =
+ bxt_calc_pll_link(&pipe_config->dpll_hw_state);
ddi_dotclock_get(pipe_config);
}