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/*
* 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));
}
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