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141 lines
3.4 KiB
141 lines
3.4 KiB
/*
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* Copyright (C) STMicroelectronics SA 2014
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* Authors: Benjamin Gaignard <benjamin.gaignard@st.com>
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* Fabien Dessenne <fabien.dessenne@st.com>
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* for STMicroelectronics.
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* License terms: GNU General Public License (GPL), version 2
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*/
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#include <drm/drmP.h>
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#include <drm/drm_fb_cma_helper.h>
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#include <drm/drm_gem_cma_helper.h>
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#include "sti_compositor.h"
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#include "sti_drv.h"
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#include "sti_plane.h"
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const char *sti_plane_to_str(struct sti_plane *plane)
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{
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switch (plane->desc) {
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case STI_GDP_0:
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return "GDP0";
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case STI_GDP_1:
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return "GDP1";
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case STI_GDP_2:
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return "GDP2";
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case STI_GDP_3:
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return "GDP3";
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case STI_HQVDP_0:
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return "HQVDP0";
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case STI_CURSOR:
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return "CURSOR";
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default:
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return "<UNKNOWN PLANE>";
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}
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}
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#define STI_FPS_INTERVAL_MS 3000
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void sti_plane_update_fps(struct sti_plane *plane,
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bool new_frame,
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bool new_field)
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{
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ktime_t now;
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struct sti_fps_info *fps;
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int fpks, fipks, ms_since_last, num_frames, num_fields;
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now = ktime_get();
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/* Compute number of frame updates */
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fps = &plane->fps_info;
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if (new_field)
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fps->curr_field_counter++;
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/* do not perform fps calcul if new_frame is false */
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if (!new_frame)
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return;
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fps->curr_frame_counter++;
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ms_since_last = ktime_to_ms(ktime_sub(now, fps->last_timestamp));
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num_frames = fps->curr_frame_counter - fps->last_frame_counter;
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if (num_frames <= 0 || ms_since_last < STI_FPS_INTERVAL_MS)
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return;
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fps->last_timestamp = now;
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fps->last_frame_counter = fps->curr_frame_counter;
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if (plane->drm_plane.fb) {
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fpks = (num_frames * 1000000) / ms_since_last;
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snprintf(plane->fps_info.fps_str, FPS_LENGTH,
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"%-8s %4dx%-4d %.4s @ %3d.%-3.3d fps (%s)",
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plane->drm_plane.name,
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plane->drm_plane.fb->width,
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plane->drm_plane.fb->height,
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(char *)&plane->drm_plane.fb->format->format,
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fpks / 1000, fpks % 1000,
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sti_plane_to_str(plane));
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}
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if (fps->curr_field_counter) {
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/* Compute number of field updates */
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num_fields = fps->curr_field_counter - fps->last_field_counter;
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fps->last_field_counter = fps->curr_field_counter;
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fipks = (num_fields * 1000000) / ms_since_last;
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snprintf(plane->fps_info.fips_str,
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FPS_LENGTH, " - %3d.%-3.3d field/sec",
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fipks / 1000, fipks % 1000);
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} else {
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plane->fps_info.fips_str[0] = '\0';
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}
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if (fps->output)
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DRM_INFO("%s%s\n",
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plane->fps_info.fps_str,
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plane->fps_info.fips_str);
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}
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static int sti_plane_get_default_zpos(enum drm_plane_type type)
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{
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switch (type) {
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case DRM_PLANE_TYPE_PRIMARY:
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return 0;
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case DRM_PLANE_TYPE_OVERLAY:
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return 1;
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case DRM_PLANE_TYPE_CURSOR:
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return 7;
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}
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return 0;
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}
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void sti_plane_reset(struct drm_plane *plane)
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{
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drm_atomic_helper_plane_reset(plane);
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plane->state->zpos = sti_plane_get_default_zpos(plane->type);
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}
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static void sti_plane_attach_zorder_property(struct drm_plane *drm_plane,
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enum drm_plane_type type)
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{
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int zpos = sti_plane_get_default_zpos(type);
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switch (type) {
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case DRM_PLANE_TYPE_PRIMARY:
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case DRM_PLANE_TYPE_OVERLAY:
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drm_plane_create_zpos_property(drm_plane, zpos, 0, 6);
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break;
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case DRM_PLANE_TYPE_CURSOR:
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drm_plane_create_zpos_immutable_property(drm_plane, zpos);
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break;
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}
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}
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void sti_plane_init_property(struct sti_plane *plane,
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enum drm_plane_type type)
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{
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sti_plane_attach_zorder_property(&plane->drm_plane, type);
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DRM_DEBUG_DRIVER("drm plane:%d mapped to %s\n",
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plane->drm_plane.base.id, sti_plane_to_str(plane));
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}
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