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drm: exynos: dsi: Fix MIPI_DSI*_NO_* mode flags

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[ Upstream commit 996e1defca34485dd2bd70b173f069aab5f21a65 ]

HFP/HBP/HSA/EOT_PACKET modes in Exynos DSI host specifies
0 = Enable and 1 = Disable.

The logic for checking these mode flags was correct before
the MIPI_DSI*_NO_* mode flag conversion.

This patch is trying to fix this MIPI_DSI*_NO_* mode flags handling
Exynos DSI host and update the mode_flags in relevant panel drivers.

Fixes: 0f3b68b66a ("drm/dsi: Add _NO_ to MIPI_DSI_* flags disabling features")
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Reported-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Marek Vasut <marex@denx.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20221212145745.15387-1-jagan@amarulasolutions.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jagan Teki
2022-12-12 20:27:44 +05:30
committed by Greg Kroah-Hartman
parent 3a40fd51e8
commit ce9fedc309
4 changed files with 9 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/exynos/exynos_drm_dsi.c
View File

@@ -809,15 +809,15 @@ static int exynos_dsi_init_link(struct exynos_dsi *dsi)
reg |= DSIM_AUTO_MODE;
if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_HSE)
reg |= DSIM_HSE_MODE;
if (!(dsi->mode_flags & MIPI_DSI_MODE_VIDEO_NO_HFP))
if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_NO_HFP)
reg |= DSIM_HFP_MODE;
if (!(dsi->mode_flags & MIPI_DSI_MODE_VIDEO_NO_HBP))
if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_NO_HBP)
reg |= DSIM_HBP_MODE;
if (!(dsi->mode_flags & MIPI_DSI_MODE_VIDEO_NO_HSA))
if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_NO_HSA)
reg |= DSIM_HSA_MODE;
}
if (!(dsi->mode_flags & MIPI_DSI_MODE_NO_EOT_PACKET))
if (dsi->mode_flags & MIPI_DSI_MODE_NO_EOT_PACKET)
reg |= DSIM_EOT_DISABLE;
switch (dsi->format) {

4
drivers/gpu/drm/panel/panel-samsung-s6e3ha2.c
View File

@@ -692,7 +692,9 @@ static int s6e3ha2_probe(struct mipi_dsi_device *dsi)
dsi->lanes = 4;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS;
dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS |
MIPI_DSI_MODE_VIDEO_NO_HFP | MIPI_DSI_MODE_VIDEO_NO_HBP |
MIPI_DSI_MODE_VIDEO_NO_HSA | MIPI_DSI_MODE_NO_EOT_PACKET;
ctx->supplies[0].supply = "vdd3";
ctx->supplies[1].supply = "vci";

3
drivers/gpu/drm/panel/panel-samsung-s6e63j0x03.c
View File

@@ -446,7 +446,8 @@ static int s6e63j0x03_probe(struct mipi_dsi_device *dsi)
dsi->lanes = 1;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = MIPI_DSI_MODE_NO_EOT_PACKET;
dsi->mode_flags = MIPI_DSI_MODE_VIDEO_NO_HFP |
MIPI_DSI_MODE_VIDEO_NO_HBP | MIPI_DSI_MODE_VIDEO_NO_HSA;
ctx->supplies[0].supply = "vdd3";
ctx->supplies[1].supply = "vci";

2
drivers/gpu/drm/panel/panel-samsung-s6e8aa0.c
View File

@@ -990,8 +990,6 @@ static int s6e8aa0_probe(struct mipi_dsi_device *dsi)
dsi->lanes = 4;
dsi->format = MIPI_DSI_FMT_RGB888;
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST
| MIPI_DSI_MODE_VIDEO_NO_HFP | MIPI_DSI_MODE_VIDEO_NO_HBP
| MIPI_DSI_MODE_VIDEO_NO_HSA | MIPI_DSI_MODE_NO_EOT_PACKET
| MIPI_DSI_MODE_VSYNC_FLUSH | MIPI_DSI_MODE_VIDEO_AUTO_VERT;
ret = s6e8aa0_parse_dt(ctx);