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REPLY(-4.00)[]; BAYES_HAM(-3.00)[100.00%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCVD_COUNT_TWO(0.00)[2]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; R_RATELIMIT(0.00)[to_ip_from(RLc3yndobo9xjuzryszaastcfq)]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,suse.de:email,imap1.dmz-prg2.suse.org:helo]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; RCPT_COUNT_THREE(0.00)[4]; RCVD_TLS_ALL(0.00)[] X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Only look up the VBIOS mode during atomic_check if the display mode changes. For page flips, the previous settings still apply. Avoids the runtime overhead of looking up the VBIOS mode on each page flip. Signed-off-by: Thomas Zimmermann Reviewed-by: Jocelyn Falempe --- drivers/gpu/drm/ast/ast_mode.c | 52 ++++++++++++++++++---------------- 1 file changed, 27 insertions(+), 25 deletions(-) diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index a93994b00f40a..bd781293b6d97 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -996,32 +996,34 @@ static int ast_crtc_helper_atomic_check(struct drm_crtc *crtc, } /* - * Find the VBIOS mode and adjust the DRM display mode accordingly. + * Find the VBIOS mode and adjust the DRM display mode accordingly + * if a full modeset is required. Otherwise keep the existing values. */ - - vmode = ast_vbios_find_mode(ast, &crtc_state->mode); - if (!vmode) - return -EINVAL; - ast_state->vmode = vmode; - - if (vmode->flags & HBorder) - hborder = 8; - if (vmode->flags & VBorder) - vborder = 8; - - adjusted_mode->crtc_hdisplay = vmode->hde; - adjusted_mode->crtc_hblank_start = vmode->hde + hborder; - adjusted_mode->crtc_hblank_end = vmode->ht - hborder; - adjusted_mode->crtc_hsync_start = vmode->hde + hborder + vmode->hfp; - adjusted_mode->crtc_hsync_end = vmode->hde + hborder + vmode->hfp + vmode->hsync; - adjusted_mode->crtc_htotal = vmode->ht; - - adjusted_mode->crtc_vdisplay = vmode->vde; - adjusted_mode->crtc_vblank_start = vmode->vde + vborder; - adjusted_mode->crtc_vblank_end = vmode->vt - vborder; - adjusted_mode->crtc_vsync_start = vmode->vde + vborder + vmode->vfp; - adjusted_mode->crtc_vsync_end = vmode->vde + vborder + vmode->vfp + vmode->vsync; - adjusted_mode->crtc_vtotal = vmode->vt; + if (drm_atomic_crtc_needs_modeset(crtc_state)) { + vmode = ast_vbios_find_mode(ast, &crtc_state->mode); + if (!vmode) + return -EINVAL; + ast_state->vmode = vmode; + + if (vmode->flags & HBorder) + hborder = 8; + if (vmode->flags & VBorder) + vborder = 8; + + adjusted_mode->crtc_hdisplay = vmode->hde; + adjusted_mode->crtc_hblank_start = vmode->hde + hborder; + adjusted_mode->crtc_hblank_end = vmode->ht - hborder; + adjusted_mode->crtc_hsync_start = vmode->hde + hborder + vmode->hfp; + adjusted_mode->crtc_hsync_end = vmode->hde + hborder + vmode->hfp + vmode->hsync; + adjusted_mode->crtc_htotal = vmode->ht; + + adjusted_mode->crtc_vdisplay = vmode->vde; + adjusted_mode->crtc_vblank_start = vmode->vde + vborder; + adjusted_mode->crtc_vblank_end = vmode->vt - vborder; + adjusted_mode->crtc_vsync_start = vmode->vde + vborder + vmode->vfp; + adjusted_mode->crtc_vsync_end = vmode->vde + vborder + vmode->vfp + vmode->vsync; + adjusted_mode->crtc_vtotal = vmode->vt; + } return 0; }