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Commit ac7bd94d authored by Jayant Shekhar's avatar Jayant Shekhar
Browse files

drm/msm/sde: Add api to get number of dsc encoders in topology 



Expose an api to query on number of dsc encoders required to support
a given topology in SDE driver.

Change-Id: I63aac35f2044f5251053e697ac796caad33372a7
Signed-off-by: default avatarJayant Shekhar <jshekhar@codeaurora.org>
parent fb1800c4

drivers/gpu/drm/msm/sde/sde_encoder.c

+3 −0
Original line number Diff line number Diff line
@@ -1406,6 +1406,9 @@ static int _sde_encoder_dsc_setup(struct sde_encoder_virt *sde_enc, 
		return -EINVAL;

	}



	params->num_channels =

		sde_rm_get_topology_num_encoders(topology);



	SDE_DEBUG_ENC(sde_enc, "topology:%d\n", topology);

	SDE_EVT32(DRMID(&sde_enc->base), topology,

			sde_enc->cur_conn_roi.x,

drivers/gpu/drm/msm/sde/sde_encoder.h

+3 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.

 * Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.

 * Copyright (C) 2013 Red Hat

 * Author: Rob Clark <robdclark@gmail.com>

 *
@@ -58,11 +58,13 @@ struct sde_encoder_hw_resources { 
 * @is_primary: set to true if the display is primary display

 * @affected_displays:  bitmask, bit set means the ROI of the commit lies within

 *                      the bounds of the physical display at the bit index

 * @num_channels: Add number of encoder channels

 */

struct sde_encoder_kickoff_params {

	u32 inline_rotate_prefill;

	u32 is_primary;

	unsigned long affected_displays;

	u32 num_channels;

};



/**

drivers/gpu/drm/msm/sde/sde_rm.c

+12 −0
Original line number Diff line number Diff line
@@ -216,6 +216,18 @@ int sde_rm_get_hw_count(struct sde_rm *rm, uint32_t enc_id, 
	mutex_unlock(&rm->rm_lock);

	return count;

}



int sde_rm_get_topology_num_encoders(enum sde_rm_topology_name topology)

{

	int i;



	for (i = 0; i < SDE_RM_TOPOLOGY_MAX; i++)

		if (g_top_table[i].top_name == topology)

			return g_top_table[i].num_comp_enc;



	return 0;

}



static bool _sde_rm_get_hw_locked(struct sde_rm *rm, struct sde_rm_hw_iter *i)

{

	struct list_head *blk_list;

drivers/gpu/drm/msm/sde/sde_rm.h

+6 −0
Original line number Diff line number Diff line
@@ -120,6 +120,12 @@ struct sde_rm_hw_iter { 
enum sde_rm_topology_name sde_rm_get_topology_name(

	struct msm_display_topology topology);



/**

 * sde_rm_get_topology_num_encoders - get number of encoders in given topology

 * @topology: topology name

 * @Return: number of encoders in given topology

 */

int sde_rm_get_topology_num_encoders(enum sde_rm_topology_name topology);



/**

 * sde_rm_init - Read hardware catalog and create reservation tracking objects