After commit 1c74eeaf16b8 ("drm/i915: Move number of scalers initialization to
runtime init"), scalers are not initialized properly for skl and glk
since num_scalers is left as 0 for those platforms.
Fixes: 1c74eeaf16b8 ("drm/i915: Move number of scalers initialization to
runtime init")
Cc: Nabendu Maiti <nabendu.bikash.ma...@intel.com>
Cc: Chris Wilson <ch...@chris-wilson.co.uk> (v2)
Cc: Ander Conselvan de Oliveira <conselv...@gmail.com>
Cc: Ander Conselvan de Oliveira <ander.conselvan.de.olive...@intel.com>
Cc: Daniel Vetter <daniel.vet...@intel.com>
Cc: Jani Nikula <jani.nik...@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Signed-off-by: Ander Conselvan de Oliveira
<ander.conselvan.de.olive...@intel.com>
---
drivers/gpu/drm/i915/intel_device_info.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_device_info.c
b/drivers/gpu/drm/i915/intel_device_info.c
index 1b5ffc4..f642f6d 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -310,6 +310,12 @@ void intel_device_info_runtime_init(struct
drm_i915_private *dev_priv)
struct intel_device_info *info = mkwrite_device_info(dev_priv);
enum pipe pipe;
+ if (INTEL_GEN(dev_priv) >= 9) {
+ info->num_scalers[PIPE_A] = 2;
+ info->num_scalers[PIPE_B] = 2;
+ info->num_scalers[PIPE_C] = 1;
+ }
+
/*
* Skylake and Broxton currently don't expose the topmost plane as its
* use is exclusive with the legacy cursor and we only want to expose
@@ -325,9 +331,6 @@ void intel_device_info_runtime_init(struct drm_i915_private
*dev_priv)
info->num_sprites[PIPE_A] = 2;
info->num_sprites[PIPE_B] = 2;
info->num_sprites[PIPE_C] = 1;
- info->num_scalers[PIPE_A] = 2;
- info->num_scalers[PIPE_B] = 2;
- info->num_scalers[PIPE_C] = 1;
} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
for_each_pipe(dev_priv, pipe)
info->num_sprites[pipe] = 2;
--
2.5.5
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