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drm/i915: Introduce for_each_dbuf_slice_in_mask macro 

We quite often need now to iterate only particular dbuf slices
in mask, whether they are active or related to particular crtc.

v2: - Minor code refactoring
v3: - Use enum for max slices instead of macro

Let's make our life a bit easier and use a macro for that.

Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200519131117.17190-6-stanislav.lisovskiy@intel.com
This commit is contained in:
Stanislav Lisovskiy 2020-05-19 16:11:15 +03:00 committed by Manasi Navare
parent cf129762ba
commit 8435576b3f
2 changed files with 8 additions and 0 deletions
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7
drivers/gpu/drm/i915/display/intel_display.h
View File

@ -187,6 +187,13 @@ enum plane_id {
for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \
for_each_if((__crtc)->plane_ids_mask & BIT(__p))
#define for_each_dbuf_slice_in_mask(__slice, __mask) \
for ((__slice) = DBUF_S1; (__slice) < I915_MAX_DBUF_SLICES; (__slice)++) \
for_each_if((BIT(__slice)) & (__mask))
#define for_each_dbuf_slice(__slice) \
for_each_dbuf_slice_in_mask(__slice, BIT(I915_MAX_DBUF_SLICES) - 1)
enum port {
PORT_NONE = -1,

1
drivers/gpu/drm/i915/display/intel_display_power.h
View File

@ -314,6 +314,7 @@ intel_display_power_put_async(struct drm_i915_private *i915,
enum dbuf_slice {
DBUF_S1,
DBUF_S2,
I915_MAX_DBUF_SLICES
};
void gen9_dbuf_slices_update(struct drm_i915_private *dev_priv,