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drm: mali-dp: Set encoder possible_clones 

Set possible_clones field to report that the writeback connector and
the one driving the display could be enabled at the same time.

Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@arm.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
This commit is contained in:
Alexandru Gheorghe 2018-07-13 16:11:00 +01:00 committed by Liviu Dudau
parent 7749a57a28
commit 2e012e76ad
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/arm/malidp_drv.c
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@ -616,6 +616,7 @@ static int malidp_bind(struct device *dev)
struct malidp_hw_device *hwdev;
struct platform_device *pdev = to_platform_device(dev);
struct of_device_id const *dev_id;
struct drm_encoder *encoder;
/* number of lines for the R, G and B output */
u8 output_width[MAX_OUTPUT_CHANNELS];
int ret = 0, i;
@ -737,6 +738,15 @@ static int malidp_bind(struct device *dev)
goto bind_fail;
}
/* We expect to have a maximum of two encoders one for the actual
* display and a virtual one for the writeback connector
*/
WARN_ON(drm->mode_config.num_encoder > 2);
list_for_each_entry(encoder, &drm->mode_config.encoder_list, head) {
encoder->possible_clones =
(1 << drm->mode_config.num_encoder) - 1;
}
ret = malidp_irq_init(pdev);
if (ret < 0)
goto irq_init_fail;