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drm/msm/mdp5: Remove unused downstream bus scaling apis

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MSM bus scaling has moved on to use interconnect framework
and downstream bus scaling apis are not present anymore.
Remove them as they are nop anyways in the current code,
no functional change.

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Sai Prakash Ranjan 2020-08-04 12:14:43 +05:30 committed by Rob Clark
parent a046c2c28a
commit f032b68101
2 changed files with 0 additions and 92 deletions
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24
drivers/gpu/drm/msm/disp/mdp5/mdp5_cmd_encoder.c
View File

@ -14,27 +14,6 @@ static struct mdp5_kms *get_kms(struct drm_encoder *encoder)
return to_mdp5_kms(to_mdp_kms(priv->kms));
}
#ifdef DOWNSTREAM_CONFIG_MSM_BUS_SCALING
#include <mach/board.h>
#include <linux/msm-bus.h>
#include <linux/msm-bus-board.h>
static void bs_set(struct mdp5_encoder *mdp5_cmd_enc, int idx)
{
if (mdp5_cmd_enc->bsc) {
DBG("set bus scaling: %d", idx);
/* HACK: scaling down, and then immediately back up
* seems to leave things broken (underflow).. so
* never disable:
*/
idx = 1;
msm_bus_scale_client_update_request(mdp5_cmd_enc->bsc, idx);
}
}
#else
static void bs_set(struct mdp5_encoder *mdp5_cmd_enc, int idx) {}
#endif
#define VSYNC_CLK_RATE 19200000
static int pingpong_tearcheck_setup(struct drm_encoder *encoder,
struct drm_display_mode *mode)
@ -146,8 +125,6 @@ void mdp5_cmd_encoder_disable(struct drm_encoder *encoder)
mdp5_ctl_set_encoder_state(ctl, pipeline, false);
mdp5_ctl_commit(ctl, pipeline, mdp_ctl_flush_mask_encoder(intf), true);
bs_set(mdp5_cmd_enc, 0);
mdp5_cmd_enc->enabled = false;
}
@ -161,7 +138,6 @@ void mdp5_cmd_encoder_enable(struct drm_encoder *encoder)
if (WARN_ON(mdp5_cmd_enc->enabled))
return;
bs_set(mdp5_cmd_enc, 1);
if (pingpong_tearcheck_enable(encoder))
return;

68
drivers/gpu/drm/msm/disp/mdp5/mdp5_encoder.c
View File

@ -16,72 +16,9 @@ static struct mdp5_kms *get_kms(struct drm_encoder *encoder)
return to_mdp5_kms(to_mdp_kms(priv->kms));
}
#ifdef DOWNSTREAM_CONFIG_MSM_BUS_SCALING
#include <mach/board.h>
#include <mach/msm_bus.h>
#include <mach/msm_bus_board.h>
#define MDP_BUS_VECTOR_ENTRY(ab_val, ib_val) \
{ \
.src = MSM_BUS_MASTER_MDP_PORT0, \
.dst = MSM_BUS_SLAVE_EBI_CH0, \
.ab = (ab_val), \
.ib = (ib_val), \
}
static struct msm_bus_vectors mdp_bus_vectors[] = {
MDP_BUS_VECTOR_ENTRY(0, 0),
MDP_BUS_VECTOR_ENTRY(2000000000, 2000000000),
};
static struct msm_bus_paths mdp_bus_usecases[] = { {
.num_paths = 1,
.vectors = &mdp_bus_vectors[0],
}, {
.num_paths = 1,
.vectors = &mdp_bus_vectors[1],
} };
static struct msm_bus_scale_pdata mdp_bus_scale_table = {
.usecase = mdp_bus_usecases,
.num_usecases = ARRAY_SIZE(mdp_bus_usecases),
.name = "mdss_mdp",
};
static void bs_init(struct mdp5_encoder *mdp5_encoder)
{
mdp5_encoder->bsc = msm_bus_scale_register_client(
&mdp_bus_scale_table);
DBG("bus scale client: %08x", mdp5_encoder->bsc);
}
static void bs_fini(struct mdp5_encoder *mdp5_encoder)
{
if (mdp5_encoder->bsc) {
msm_bus_scale_unregister_client(mdp5_encoder->bsc);
mdp5_encoder->bsc = 0;
}
}
static void bs_set(struct mdp5_encoder *mdp5_encoder, int idx)
{
if (mdp5_encoder->bsc) {
DBG("set bus scaling: %d", idx);
/* HACK: scaling down, and then immediately back up
* seems to leave things broken (underflow).. so
* never disable:
*/
idx = 1;
msm_bus_scale_client_update_request(mdp5_encoder->bsc, idx);
}
}
#else
static void bs_init(struct mdp5_encoder *mdp5_encoder) {}
static void bs_fini(struct mdp5_encoder *mdp5_encoder) {}
static void bs_set(struct mdp5_encoder *mdp5_encoder, int idx) {}
#endif
static void mdp5_encoder_destroy(struct drm_encoder *encoder)
{
struct mdp5_encoder *mdp5_encoder = to_mdp5_encoder(encoder);
bs_fini(mdp5_encoder);
drm_encoder_cleanup(encoder);
kfree(mdp5_encoder);
}
@ -222,8 +159,6 @@ static void mdp5_vid_encoder_disable(struct drm_encoder *encoder)
*/
mdp_irq_wait(&mdp5_kms->base, intf2vblank(mixer, intf));
bs_set(mdp5_encoder, 0);
mdp5_encoder->enabled = false;
}
@ -240,7 +175,6 @@ static void mdp5_vid_encoder_enable(struct drm_encoder *encoder)
if (WARN_ON(mdp5_encoder->enabled))
return;
bs_set(mdp5_encoder, 1);
spin_lock_irqsave(&mdp5_encoder->intf_lock, flags);
mdp5_write(mdp5_kms, REG_MDP5_INTF_TIMING_ENGINE_EN(intfn), 1);
spin_unlock_irqrestore(&mdp5_encoder->intf_lock, flags);
@ -426,8 +360,6 @@ struct drm_encoder *mdp5_encoder_init(struct drm_device *dev,
drm_encoder_helper_add(encoder, &mdp5_encoder_helper_funcs);
bs_init(mdp5_encoder);
return encoder;
fail: