| Message ID | 20180405060019.4018-4-mahesh1.kumar@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Apr 05, 2018 at 11:30:19AM +0530, Mahesh Kumar wrote: > Gen11/ICL onward ddb entry start/end mask is increased from 10 bits to > 11 bits. This patch make changes to use proper mask for ICL+ during > hardware ddb value readout. > > Changes since V1: > - Use _MASK & _SHIFT macro (James) > > Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> > --- > drivers/gpu/drm/i915/i915_reg.h | 3 +++ > drivers/gpu/drm/i915/intel_pm.c | 18 ++++++++++++++---- > 2 files changed, 17 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > index 176dca6554f4..e3a6c535617d 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -6459,6 +6459,9 @@ 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_END_SHIFT 16 > #define _PLANE_BUF_CFG_1(pipe) \ > _PIPE(pipe, _PLANE_BUF_CFG_1_A, _PLANE_BUF_CFG_1_B) > #define _PLANE_BUF_CFG_2(pipe) \ > diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c > index caa29f949335..98e91f4a5ab4 100644 > --- a/drivers/gpu/drm/i915/intel_pm.c > +++ b/drivers/gpu/drm/i915/intel_pm.c > @@ -3864,10 +3864,18 @@ static unsigned int skl_cursor_allocation(int num_active) > return 8; > } > > -static void skl_ddb_entry_init_from_hw(struct skl_ddb_entry *entry, u32 reg) > +static void skl_ddb_entry_init_from_hw(struct drm_i915_private *dev_priv, > + struct skl_ddb_entry *entry, u32 reg) > { > - entry->start = reg & 0x3ff; > - entry->end = (reg >> 16) & 0x3ff; > + uint16_t 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; > + > if (entry->end) > entry->end += 1; > } > @@ -3898,7 +3906,9 @@ void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, > else > val = I915_READ(CUR_BUF_CFG(pipe)); > > - skl_ddb_entry_init_from_hw(&ddb->plane[pipe][plane_id], val); > + skl_ddb_entry_init_from_hw(dev_priv, > + &ddb->plane[pipe][plane_id], > + val); > } > > intel_display_power_put(dev_priv, power_domain); > -- > 2.16.2 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 176dca6554f4..e3a6c535617d 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -6459,6 +6459,9 @@ 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_END_SHIFT 16 #define _PLANE_BUF_CFG_1(pipe) \ _PIPE(pipe, _PLANE_BUF_CFG_1_A, _PLANE_BUF_CFG_1_B) #define _PLANE_BUF_CFG_2(pipe) \ diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index caa29f949335..98e91f4a5ab4 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3864,10 +3864,18 @@ static unsigned int skl_cursor_allocation(int num_active) return 8; } -static void skl_ddb_entry_init_from_hw(struct skl_ddb_entry *entry, u32 reg) +static void skl_ddb_entry_init_from_hw(struct drm_i915_private *dev_priv, + struct skl_ddb_entry *entry, u32 reg) { - entry->start = reg & 0x3ff; - entry->end = (reg >> 16) & 0x3ff; + uint16_t 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; + if (entry->end) entry->end += 1; } @@ -3898,7 +3906,9 @@ void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, else val = I915_READ(CUR_BUF_CFG(pipe)); - skl_ddb_entry_init_from_hw(&ddb->plane[pipe][plane_id], val); + skl_ddb_entry_init_from_hw(dev_priv, + &ddb->plane[pipe][plane_id], + val); } intel_display_power_put(dev_priv, power_domain);
Gen11/ICL onward ddb entry start/end mask is increased from 10 bits to 11 bits. This patch make changes to use proper mask for ICL+ during hardware ddb value readout. Changes since V1: - Use _MASK & _SHIFT macro (James) Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com> --- drivers/gpu/drm/i915/i915_reg.h | 3 +++ drivers/gpu/drm/i915/intel_pm.c | 18 ++++++++++++++---- 2 files changed, 17 insertions(+), 4 deletions(-)