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Commit dae2155b authored by Russell King's avatar Russell King
Browse files

drm/armada: update primary framebuffer parameters on mode change 



The framebuffer base address and toggling mode needs to be updated
when the interlaced flag for mode changes is updated.  Arrange to
reprogram these parameters when only the mode has changed.

Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
parent 3cb13ac9

drivers/gpu/drm/armada/armada_plane.c

+4 −2
Original line number Diff line number Diff line
@@ -184,11 +184,13 @@ static void armada_drm_primary_plane_atomic_update(struct drm_plane *plane, 
		armada_reg_queue_set(regs, idx, val, LCD_SPU_GZM_HPXL_VLN);

	if (old_state->src.x1 != state->src.x1 ||

	    old_state->src.y1 != state->src.y1 ||

	    old_state->fb != state->fb) {

	    old_state->fb != state->fb ||

	    state->crtc->state->mode_changed) {

		idx += armada_drm_crtc_calc_fb(state, regs + idx,

					       dcrtc->interlaced);

	}

	if (old_state->fb != state->fb) {

	if (old_state->fb != state->fb ||

	    state->crtc->state->mode_changed) {

		cfg = CFG_GRA_FMT(drm_fb_to_armada_fb(state->fb)->fmt) |

		      CFG_GRA_MOD(drm_fb_to_armada_fb(state->fb)->mod);

		if (drm_fb_to_armada_fb(state->fb)->fmt > CFG_420)