drm/i915: Add ddb size field to device info structure
Adding the ddb size into the devide info will avoid
platform checks while computing wm.
v2: Added comment and WARN_ON if ddb size is zero.(Jani)
v3: Added WARN_ON at the right place.(Jani)
Suggested-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Deepak M <m.deepak@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1473931870-7724-1-git-send-email-m.deepak@intel.com
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index d771870d..687c768 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -328,6 +328,7 @@
.gen = 9,
.has_csr = 1,
.has_guc = 1,
+ .ddb_size = 896,
};
static const struct intel_device_info intel_skylake_gt3_info = {
@@ -336,6 +337,7 @@
.gen = 9,
.has_csr = 1,
.has_guc = 1,
+ .ddb_size = 896,
.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
};
@@ -358,6 +360,7 @@
.has_hw_contexts = 1,
.has_logical_ring_contexts = 1,
.has_guc = 1,
+ .ddb_size = 512,
GEN_DEFAULT_PIPEOFFSETS,
IVB_CURSOR_OFFSETS,
BDW_COLORS,
@@ -369,6 +372,7 @@
.gen = 9,
.has_csr = 1,
.has_guc = 1,
+ .ddb_size = 896,
};
static const struct intel_device_info intel_kabylake_gt3_info = {
@@ -377,6 +381,7 @@
.gen = 9,
.has_csr = 1,
.has_guc = 1,
+ .ddb_size = 896,
.ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
};