drm2: Remove unused variables.
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fcd0ea3a38
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42278fc2e6
@ -1252,7 +1252,6 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
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struct drm_connector *connector;
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struct drm_connector_helper_funcs *connector_funcs;
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struct drm_encoder *encoder;
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struct drm_fb_helper_crtc *best_crtc;
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int my_score, best_score, score;
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struct drm_fb_helper_crtc **crtcs, *crtc;
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struct drm_fb_helper_connector *fb_helper_conn;
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@ -1264,7 +1263,6 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
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connector = fb_helper_conn->connector;
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best_crtcs[n] = NULL;
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best_crtc = NULL;
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best_score = drm_pick_crtcs(fb_helper, best_crtcs, modes, n+1, width, height);
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if (modes[n] == NULL)
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return best_score;
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@ -1313,7 +1311,6 @@ static int drm_pick_crtcs(struct drm_fb_helper *fb_helper,
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score = my_score + drm_pick_crtcs(fb_helper, crtcs, modes, n + 1,
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width, height);
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if (score > best_score) {
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best_crtc = crtc;
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best_score = score;
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memcpy(best_crtcs, crtcs,
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dev->mode_config.num_connector *
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@ -1453,7 +1450,6 @@ EXPORT_SYMBOL(drm_fb_helper_initial_config);
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int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper)
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{
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struct drm_device *dev = fb_helper->dev;
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int count = 0;
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u32 max_width, max_height, bpp_sel;
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int bound = 0, crtcs_bound = 0;
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struct drm_crtc *crtc;
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@ -1480,8 +1476,8 @@ int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper)
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max_height = fb_helper->fb->height;
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bpp_sel = fb_helper->fb->bits_per_pixel;
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count = drm_fb_helper_probe_connector_modes(fb_helper, max_width,
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max_height);
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drm_fb_helper_probe_connector_modes(fb_helper, max_width,
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max_height);
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drm_setup_crtcs(fb_helper);
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sx_xunlock(&dev->mode_config.mutex);
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@ -71,7 +71,6 @@ int drm_global_item_ref(struct drm_global_reference *ref)
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{
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int ret;
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struct drm_global_item *item = &glob[ref->global_type];
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void *object;
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sx_xlock(&item->mutex);
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if (item->refcount == 0) {
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@ -90,7 +89,6 @@ int drm_global_item_ref(struct drm_global_reference *ref)
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}
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++item->refcount;
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ref->object = item->object;
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object = item->object;
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sx_xunlock(&item->mutex);
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return 0;
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out_err:
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@ -173,7 +173,7 @@ struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay,
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/* 3) Nominal HSync width (% of line period) - default 8 */
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#define CVT_HSYNC_PERCENTAGE 8
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unsigned int hblank_percentage;
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int vsyncandback_porch, vback_porch, hblank;
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int vsyncandback_porch, hblank;
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/* estimated the horizontal period */
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tmp1 = HV_FACTOR * 1000000 -
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@ -188,8 +188,6 @@ struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay,
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vsyncandback_porch = vsync + CVT_MIN_V_PORCH;
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else
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vsyncandback_porch = tmp1;
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/* 10. Find number of lines in back porch */
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vback_porch = vsyncandback_porch - vsync;
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drm_mode->vtotal = vdisplay_rnd + 2 * vmargin +
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vsyncandback_porch + CVT_MIN_V_PORCH;
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/* 5) Definition of Horizontal blanking time limitation */
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@ -321,9 +319,8 @@ drm_gtf_mode_complex(struct drm_device *dev, int hdisplay, int vdisplay,
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int top_margin, bottom_margin;
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int interlace;
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unsigned int hfreq_est;
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int vsync_plus_bp, vback_porch;
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unsigned int vtotal_lines, vfieldrate_est, hperiod;
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unsigned int vfield_rate, vframe_rate;
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int vsync_plus_bp;
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unsigned int vtotal_lines;
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int left_margin, right_margin;
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unsigned int total_active_pixels, ideal_duty_cycle;
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unsigned int hblank, total_pixels, pixel_freq;
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@ -383,23 +380,10 @@ drm_gtf_mode_complex(struct drm_device *dev, int hdisplay, int vdisplay,
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/* [V SYNC+BP] = RINT(([MIN VSYNC+BP] * hfreq_est / 1000000)) */
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vsync_plus_bp = MIN_VSYNC_PLUS_BP * hfreq_est / 1000;
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vsync_plus_bp = (vsync_plus_bp + 500) / 1000;
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/* 9. Find the number of lines in V back porch alone: */
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vback_porch = vsync_plus_bp - V_SYNC_RQD;
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/* 10. Find the total number of lines in Vertical field period: */
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vtotal_lines = vdisplay_rnd + top_margin + bottom_margin +
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vsync_plus_bp + GTF_MIN_V_PORCH;
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/* 11. Estimate the Vertical field frequency: */
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vfieldrate_est = hfreq_est / vtotal_lines;
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/* 12. Find the actual horizontal period: */
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hperiod = 1000000 / (vfieldrate_rqd * vtotal_lines);
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/* 13. Find the actual Vertical field frequency: */
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vfield_rate = hfreq_est / vtotal_lines;
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/* 14. Find the Vertical frame frequency: */
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if (interlaced)
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vframe_rate = vfield_rate / 2;
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else
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vframe_rate = vfield_rate;
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/* 15. Find number of pixels in left margin: */
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if (margins)
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left_margin = (hdisplay_rnd * GTF_MARGIN_PERCENTAGE + 500) /
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