drm/i915: Specify when the PLL hw state fields are valid
Not all those fields are valid on a given platform. Make it explicit.
Unions could also be used, but were cluttering some code paths with
if/else ladders.
v2: Don't use anonymous unions (Daniel)
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c70b2b6..c3beb08 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -197,10 +197,13 @@
#define I915_NUM_PLLS 2
struct intel_dpll_hw_state {
+ /* i9xx, pch plls */
uint32_t dpll;
uint32_t dpll_md;
uint32_t fp0;
uint32_t fp1;
+
+ /* hsw, bdw */
uint32_t wrpll;
};