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drm/i915: Remove redundant on stack dpll_hw_state from cnl_get_dpll() 

Just store the stuff directly into crtc_state->dpll_hw_state rather
than to a temp and copying the whole thing over.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190207173230.22368-8-ville.syrjala@linux.intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
This commit is contained in:
Ville Syrjälä 2019-02-07 19:32:25 +02:00
parent e7251d71d4
commit 2cf9cd820a
1 changed files with 7 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/gpu/drm/i915/intel_dpll_mgr.c
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@ -2307,8 +2307,7 @@ static bool cnl_ddi_hdmi_pll_dividers(struct intel_crtc_state *crtc_state)
}
static bool
cnl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state,
struct intel_dpll_hw_state *dpll_hw_state)
cnl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state)
{
u32 cfgcr0;
@ -2344,7 +2343,11 @@ cnl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state,
break;
}
dpll_hw_state->cfgcr0 = cfgcr0;
memset(&crtc_state->dpll_hw_state, 0,
sizeof(crtc_state->dpll_hw_state));
crtc_state->dpll_hw_state.cfgcr0 = cfgcr0;
return true;
}
@ -2354,9 +2357,6 @@ cnl_get_dpll(struct intel_crtc_state *crtc_state,
{
struct intel_shared_dpll *pll;
bool bret;
struct intel_dpll_hw_state dpll_hw_state;
memset(&dpll_hw_state, 0, sizeof(dpll_hw_state));
if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
bret = cnl_ddi_hdmi_pll_dividers(crtc_state);
@ -2365,12 +2365,11 @@ cnl_get_dpll(struct intel_crtc_state *crtc_state,
return NULL;
}
} else if (intel_crtc_has_dp_encoder(crtc_state)) {
bret = cnl_ddi_dp_set_dpll_hw_state(crtc_state, &dpll_hw_state);
bret = cnl_ddi_dp_set_dpll_hw_state(crtc_state);
if (!bret) {
DRM_DEBUG_KMS("Could not set DP dpll HW state.\n");
return NULL;
}
crtc_state->dpll_hw_state = dpll_hw_state;
} else {
DRM_DEBUG_KMS("Skip DPLL setup for output_types 0x%x\n",
crtc_state->output_types);