linux-stable/drivers/gpu/drm/sti/sti_plane.c
Benjamin Gaignard bbd1e3a5dc drm: sti: use generic zpos for plane
remove private zpos property and use instead the generic new.
zpos range is now fixed per plane type and normalized before
being using in mixer.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>

Cc: Inki Dae <inki.dae@samsung.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Seung-Woo Kim <sw0312.kim@samsung.com>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: vincent.abriou@st.com
Cc: fabien.dessenne@st.com
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2016-07-29 10:02:51 +02:00

132 lines
3.2 KiB
C

/*
* Copyright (C) STMicroelectronics SA 2014
* Authors: Benjamin Gaignard <benjamin.gaignard@st.com>
* Fabien Dessenne <fabien.dessenne@st.com>
* for STMicroelectronics.
* License terms: GNU General Public License (GPL), version 2
*/
#include <drm/drmP.h>
#include <drm/drm_fb_cma_helper.h>
#include <drm/drm_gem_cma_helper.h>
#include "sti_compositor.h"
#include "sti_drv.h"
#include "sti_plane.h"
const char *sti_plane_to_str(struct sti_plane *plane)
{
switch (plane->desc) {
case STI_GDP_0:
return "GDP0";
case STI_GDP_1:
return "GDP1";
case STI_GDP_2:
return "GDP2";
case STI_GDP_3:
return "GDP3";
case STI_HQVDP_0:
return "HQVDP0";
case STI_CURSOR:
return "CURSOR";
default:
return "<UNKNOWN PLANE>";
}
}
#define STI_FPS_INTERVAL_MS 3000
void sti_plane_update_fps(struct sti_plane *plane,
bool new_frame,
bool new_field)
{
ktime_t now;
struct sti_fps_info *fps;
int fpks, fipks, ms_since_last, num_frames, num_fields;
now = ktime_get();
/* Compute number of frame updates */
fps = &plane->fps_info;
if (new_field)
fps->curr_field_counter++;
/* do not perform fps calcul if new_frame is false */
if (!new_frame)
return;
fps->curr_frame_counter++;
ms_since_last = ktime_to_ms(ktime_sub(now, fps->last_timestamp));
num_frames = fps->curr_frame_counter - fps->last_frame_counter;
if (num_frames <= 0 || ms_since_last < STI_FPS_INTERVAL_MS)
return;
fps->last_timestamp = now;
fps->last_frame_counter = fps->curr_frame_counter;
fpks = (num_frames * 1000000) / ms_since_last;
snprintf(plane->fps_info.fps_str, FPS_LENGTH, "%-6s @ %d.%.3d fps",
sti_plane_to_str(plane), fpks / 1000, fpks % 1000);
if (fps->curr_field_counter) {
/* Compute number of field updates */
num_fields = fps->curr_field_counter - fps->last_field_counter;
fps->last_field_counter = fps->curr_field_counter;
fipks = (num_fields * 1000000) / ms_since_last;
snprintf(plane->fps_info.fips_str,
FPS_LENGTH, " - %d.%.3d field/sec",
fipks / 1000, fipks % 1000);
} else {
plane->fps_info.fips_str[0] = '\0';
}
if (fps->output)
DRM_INFO("%s%s\n",
plane->fps_info.fps_str,
plane->fps_info.fips_str);
}
static int sti_plane_get_default_zpos(enum drm_plane_type type)
{
switch (type) {
case DRM_PLANE_TYPE_PRIMARY:
return 0;
case DRM_PLANE_TYPE_OVERLAY:
return 1;
case DRM_PLANE_TYPE_CURSOR:
return 7;
}
return 0;
}
void sti_plane_reset(struct drm_plane *plane)
{
drm_atomic_helper_plane_reset(plane);
plane->state->zpos = sti_plane_get_default_zpos(plane->type);
}
static void sti_plane_attach_zorder_property(struct drm_plane *drm_plane,
enum drm_plane_type type)
{
int zpos = sti_plane_get_default_zpos(type);
switch (type) {
case DRM_PLANE_TYPE_PRIMARY:
case DRM_PLANE_TYPE_OVERLAY:
drm_plane_create_zpos_property(drm_plane, zpos, 0, 6);
break;
case DRM_PLANE_TYPE_CURSOR:
drm_plane_create_zpos_immutable_property(drm_plane, zpos);
break;
}
}
void sti_plane_init_property(struct sti_plane *plane,
enum drm_plane_type type)
{
sti_plane_attach_zorder_property(&plane->drm_plane, type);
DRM_DEBUG_DRIVER("drm plane:%d mapped to %s\n",
plane->drm_plane.base.id, sti_plane_to_str(plane));
}