drm/i915: Just use icl+ definition for PLANE_WM blocks field
The unused bits on PLANE_WM & co. are hardwired to zero. So no
need to worry about reading the extra bit on pre-icl.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190205205056.30081-2-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 2be34e1..638a586 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -6784,8 +6784,7 @@ enum {
#define _PLANE_BUF_CFG_1_B 0x7127c
#define _PLANE_BUF_CFG_2_B 0x7137c
-#define SKL_DDB_ENTRY_MASK 0x3FF
-#define ICL_DDB_ENTRY_MASK 0x7FF
+#define DDB_ENTRY_MASK 0x7FF /* skl+: 10 bits, icl+ 11 bits */
#define DDB_ENTRY_END_SHIFT 16
#define _PLANE_BUF_CFG_1(pipe) \
_PIPE(pipe, _PLANE_BUF_CFG_1_A, _PLANE_BUF_CFG_1_B)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 737005b..0f15685 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3927,14 +3927,9 @@ static unsigned int skl_cursor_allocation(int num_active)
static void skl_ddb_entry_init_from_hw(struct drm_i915_private *dev_priv,
struct skl_ddb_entry *entry, u32 reg)
{
- u16 mask;
- if (INTEL_GEN(dev_priv) >= 11)
- mask = ICL_DDB_ENTRY_MASK;
- else
- mask = SKL_DDB_ENTRY_MASK;
- entry->start = reg & mask;
- entry->end = (reg >> DDB_ENTRY_END_SHIFT) & mask;
+ entry->start = reg & DDB_ENTRY_MASK;
+ entry->end = (reg >> DDB_ENTRY_END_SHIFT) & DDB_ENTRY_MASK;
if (entry->end)
entry->end += 1;