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drm/connector: Allow max possible encoders to attach to a connector

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Currently we restrict the number of encoders that can be linked to
a connector to 3, increase it to match the maximum number of encoders
that can be initialized(32).

To more effiently do that lets switch from an array of encoder ids to
bitmask.

v2: Fixing missed return on amdgpu_dm_connector_to_encoder()

Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: dri-devel@lists.freedesktop.org
Cc: intel-gfx@lists.freedesktop.org
Cc: nouveau@lists.freedesktop.org
Cc: amd-gfx@lists.freedesktop.org
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190913232857.389834-2-jose.souza@intel.com
This commit is contained in:
José Roberto de Souza
2019-09-13 16:28:57 -07:00
committed by Manasi Navare
parent a92462d6bf
commit 62afb4ad42
12 changed files with 55 additions and 83 deletions
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3
drivers/gpu/drm/drm_probe_helper.c
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@@ -93,7 +93,6 @@ drm_mode_validate_pipeline(struct drm_display_mode *mode,
struct drm_device *dev = connector->dev;
enum drm_mode_status ret = MODE_OK;
struct drm_encoder *encoder;
int i;
/* Step 1: Validate against connector */
ret = drm_connector_mode_valid(connector, mode);
@@ -101,7 +100,7 @@ drm_mode_validate_pipeline(struct drm_display_mode *mode,
return ret;
/* Step 2: Validate against encoders and crtcs */
drm_connector_for_each_possible_encoder(connector, encoder, i) {
drm_connector_for_each_possible_encoder(connector, encoder) {
struct drm_crtc *crtc;
ret = drm_encoder_mode_valid(encoder, mode);