Move SOL delay calculation outside of video mode conditions.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
---
drivers/gpu/drm/tegra/dsi.c | 41 +++++++++++++++----------------------
1 file changed, 17 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index 924611061cfa..aab555a2eb68 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -560,11 +560,6 @@ static void tegra_dsi_configure(struct tegra_dsi *dsi, unsigned int pipe,
tegra_dsi_writel(dsi, hact << 16 | hbp, DSI_PKT_LEN_2_3);
tegra_dsi_writel(dsi, hfp, DSI_PKT_LEN_4_5);
tegra_dsi_writel(dsi, 0x0f0f << 16, DSI_PKT_LEN_6_7);
-
- /* set SOL delay (for non-burst mode only) */
- tegra_dsi_writel(dsi, 8 * mul / div, DSI_SOL_DELAY);
-
- /* TODO: implement ganged mode */
} else {
u16 bytes;
@@ -586,28 +581,26 @@ static void tegra_dsi_configure(struct tegra_dsi *dsi, unsigned int pipe,
value = MIPI_DCS_WRITE_MEMORY_START << 8 |
MIPI_DCS_WRITE_MEMORY_CONTINUE;
tegra_dsi_writel(dsi, value, DSI_DCS_CMDS);
+ }
- /* set SOL delay */
- if (dsi->master || dsi->slave) {
- unsigned long delay, bclk, bclk_ganged;
- unsigned int lanes = state->lanes;
-
- /* SOL to valid, valid to FIFO and FIFO write delay */
- delay = 4 + 4 + 2;
- delay = DIV_ROUND_UP(delay * mul, div * lanes);
- /* FIFO read delay */
- delay = delay + 6;
-
- bclk = DIV_ROUND_UP(mode->htotal * mul, div * lanes);
- bclk_ganged = DIV_ROUND_UP(bclk * lanes / 2, lanes);
- value = bclk - bclk_ganged + delay + 20;
- } else {
- /* TODO: revisit for non-ganged mode */
- value = 8 * mul / div;
- }
+ /* set SOL delay */
+ if (dsi->master || dsi->slave) {
+ unsigned long delay, bclk, bclk_ganged;
+ unsigned int lanes = state->lanes;
- tegra_dsi_writel(dsi, value, DSI_SOL_DELAY);
+ /* SOL to valid, valid to FIFO and FIFO write delay */
+ delay = 4 + 4 + 2;
+ delay = DIV_ROUND_UP(delay * mul, div * lanes);
+ /* FIFO read delay */
+ delay = delay + 6;
+
+ bclk = DIV_ROUND_UP(mode->htotal * mul, div * lanes);
+ bclk_ganged = DIV_ROUND_UP(bclk * lanes / 2, lanes);
+ value = bclk - bclk_ganged + delay + 20;
+ } else {
+ value = 8 * mul / div;
}
+ tegra_dsi_writel(dsi, value, DSI_SOL_DELAY);
if (dsi->slave) {
tegra_dsi_configure(dsi->slave, pipe, mode);
--
2.48.1