The driver ignores MIPI_DSI_CLOCK_NON_CONTINUOUS, and always uses
non-continuous clock.
Fix this by using MIPI_DSI_CLOCK_NON_CONTINUOUS and at the same time,
drop ddr_clk_always_on field which seems pretty useless.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
drivers/gpu/drm/omapdrm/dss/dsi.c | 12 +++++-------
drivers/gpu/drm/omapdrm/dss/dsi.h | 2 --
2 files changed, 5 insertions(+), 9 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
index 6d20245495ac..6e9c99402540 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -1734,11 +1734,10 @@ static int dsi_cio_init(struct dsi_data *dsi)
dsi_cio_timings(dsi);
- if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
- /* DDR_CLK_ALWAYS_ON */
- REG_FLD_MOD(dsi, DSI_CLK_CTRL,
- dsi->vm_timings.ddr_clk_always_on, 13, 13);
- }
+ /* DDR_CLK_ALWAYS_ON */
+ REG_FLD_MOD(dsi, DSI_CLK_CTRL,
+ !(dsi->dsidev->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS),
+ 13, 13);
dsi->ulps_enabled = false;
@@ -3641,7 +3640,7 @@ static void dsi_setup_dsi_vcs(struct dsi_data *dsi)
dsi_force_tx_stop_mode_io(dsi);
/* start the DDR clock by sending a NULL packet */
- if (dsi->vm_timings.ddr_clk_always_on)
+ if (!(dsi->dsidev->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS))
dsi_vc_send_null(dsi, VC_CMD, dsi->dsidev->channel);
}
@@ -4150,7 +4149,6 @@ static bool dsi_vm_calc_blanking(struct dsi_clk_calc_ctx *ctx)
dsi_vm->hfp_blanking_mode = 1;
dsi_vm->hbp_blanking_mode = 1;
- dsi_vm->ddr_clk_always_on = cfg->ddr_clk_always_on;
dsi_vm->window_sync = 4;
/* setup DISPC videomode */
diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.h b/drivers/gpu/drm/omapdrm/dss/dsi.h
index 7cc2cc748ed9..3543828e30eb 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.h
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.h
@@ -209,7 +209,6 @@ struct omap_dss_dsi_videomode_timings {
enum omap_dss_dsi_trans_mode trans_mode;
- bool ddr_clk_always_on;
int window_sync;
};
@@ -221,7 +220,6 @@ struct omap_dss_dsi_config {
unsigned long hs_clk_min, hs_clk_max;
unsigned long lp_clk_min, lp_clk_max;
- bool ddr_clk_always_on;
enum omap_dss_dsi_trans_mode trans_mode;
};
--
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