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path: root/drivers/gpu/drm/i915/display/intel_bw.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_bw.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_bw.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 584ab5ce4106..a35435083b60 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -77,7 +77,7 @@ static int icl_get_qgv_points(struct drm_i915_private *dev_priv,
qi->num_points = dram_info->num_qgv_points;
- if (IS_DISPLAY_VER(dev_priv, 12))
+ if (DISPLAY_VER(dev_priv) == 12)
switch (dram_info->type) {
case INTEL_DRAM_DDR4:
qi->t_bl = 4;
@@ -89,7 +89,7 @@ static int icl_get_qgv_points(struct drm_i915_private *dev_priv,
qi->t_bl = 16;
break;
}
- else if (IS_DISPLAY_VER(dev_priv, 11))
+ else if (DISPLAY_VER(dev_priv) == 11)
qi->t_bl = dev_priv->dram_info.type == INTEL_DRAM_DDR4 ? 4 : 8;
if (drm_WARN_ON(&dev_priv->drm,
@@ -271,9 +271,9 @@ void intel_bw_init_hw(struct drm_i915_private *dev_priv)
icl_get_bw_info(dev_priv, &adls_sa_info);
else if (IS_ROCKETLAKE(dev_priv))
icl_get_bw_info(dev_priv, &rkl_sa_info);
- else if (IS_DISPLAY_VER(dev_priv, 12))
+ else if (DISPLAY_VER(dev_priv) == 12)
icl_get_bw_info(dev_priv, &tgl_sa_info);
- else if (IS_DISPLAY_VER(dev_priv, 11))
+ else if (DISPLAY_VER(dev_priv) == 11)
icl_get_bw_info(dev_priv, &icl_sa_info);
}
@@ -344,6 +344,9 @@ static unsigned int intel_bw_data_rate(struct drm_i915_private *dev_priv,
for_each_pipe(dev_priv, pipe)
data_rate += bw_state->data_rate[pipe];
+ if (DISPLAY_VER(dev_priv) >= 13 && intel_vtd_active())
+ data_rate = data_rate * 105 / 100;
+
return data_rate;
}
@@ -390,7 +393,6 @@ int skl_bw_calc_min_cdclk(struct intel_atomic_state *state)
const struct intel_crtc_state *crtc_state;
struct intel_crtc *crtc;
int max_bw = 0;
- int slice_id;
enum pipe pipe;
int i;
@@ -418,6 +420,7 @@ int skl_bw_calc_min_cdclk(struct intel_atomic_state *state)
&crtc_state->wm.skl.plane_ddb_uv[plane_id];
unsigned int data_rate = crtc_state->data_rate[plane_id];
unsigned int dbuf_mask = 0;
+ enum dbuf_slice slice;
dbuf_mask |= skl_ddb_dbuf_slice_mask(dev_priv, plane_alloc);
dbuf_mask |= skl_ddb_dbuf_slice_mask(dev_priv, uv_plane_alloc);
@@ -435,8 +438,8 @@ int skl_bw_calc_min_cdclk(struct intel_atomic_state *state)
* pessimistic, which shouldn't pose any significant
* problem anyway.
*/
- for_each_dbuf_slice_in_mask(slice_id, dbuf_mask)
- crtc_bw->used_bw[slice_id] += data_rate;
+ for_each_dbuf_slice_in_mask(dev_priv, slice, dbuf_mask)
+ crtc_bw->used_bw[slice] += data_rate;
}
}
@@ -445,10 +448,11 @@ int skl_bw_calc_min_cdclk(struct intel_atomic_state *state)
for_each_pipe(dev_priv, pipe) {
struct intel_dbuf_bw *crtc_bw;
+ enum dbuf_slice slice;
crtc_bw = &new_bw_state->dbuf_bw[pipe];
- for_each_dbuf_slice(slice_id) {
+ for_each_dbuf_slice(dev_priv, slice) {
/*
* Current experimental observations show that contrary
* to BSpec we get underruns once we exceed 64 * CDCLK
@@ -457,7 +461,7 @@ int skl_bw_calc_min_cdclk(struct intel_atomic_state *state)
* bumped up all the time we calculate CDCLK according
* to this formula for overall bw consumed by slices.
*/
- max_bw += crtc_bw->used_bw[slice_id];
+ max_bw += crtc_bw->used_bw[slice];
}
}