The PANEL_DISPLAY_CTRL_TFT_DISP definitions artificially encode
PANEL_DISPLAY_CTRL_DUAL_DISPLAY and PANEL_DISPLAY_CTRL_DOUBLE_PIXEL bits
combinations. Replace the PANEL_DISPLAY_CTRL_TFT_DISP usage with direct use
of the bits defined in the datasheet.
Signed-off-by: Mike Rapoport <mike.rapoport@xxxxxxxxx>
---
drivers/staging/sm750fb/ddk750_reg.h | 6 ------
drivers/staging/sm750fb/sm750_hw.c | 17 ++++++++++-------
2 files changed, 10 insertions(+), 13 deletions(-)
diff --git a/drivers/staging/sm750fb/ddk750_reg.h b/drivers/staging/sm750fb/ddk750_reg.h
index 6753384..6df3827 100644
--- a/drivers/staging/sm750fb/ddk750_reg.h
+++ b/drivers/staging/sm750fb/ddk750_reg.h
@@ -791,12 +791,6 @@
#define PANEL_DISPLAY_CTRL_VBIASEN BIT(26)
#define PANEL_DISPLAY_CTRL_DATA BIT(25)
#define PANEL_DISPLAY_CTRL_FPVDDEN BIT(24)
-
-#define PANEL_DISPLAY_CTRL_TFT_DISP 19:18
-#define PANEL_DISPLAY_CTRL_TFT_DISP_24 0
-#define PANEL_DISPLAY_CTRL_TFT_DISP_36 1
-#define PANEL_DISPLAY_CTRL_TFT_DISP_18 2
-
#define PANEL_DISPLAY_CTRL_DUAL_DISPLAY BIT(19)
#define PANEL_DISPLAY_CTRL_DOUBLE_PIXEL BIT(18)
#define PANEL_DISPLAY_CTRL_FIFO 17:16
diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c
index 3849891..d965954 100644
--- a/drivers/staging/sm750fb/sm750_hw.c
+++ b/drivers/staging/sm750fb/sm750_hw.c
@@ -130,17 +130,20 @@ int hw_sm750_inithw(struct sm750_dev *sm750_dev, struct pci_dev *pdev)
POKE32(SYSTEM_CTRL, val);
}
+ val = PEEK32(PANEL_DISPLAY_CTRL) &
+ ~(PANEL_DISPLAY_CTRL_DUAL_DISPLAY |
+ PANEL_DISPLAY_CTRL_DOUBLE_PIXEL);
switch (sm750_dev->pnltype) {
- case sm750_doubleTFT:
case sm750_24TFT:
+ break;
+ case sm750_doubleTFT:
+ val |= PANEL_DISPLAY_CTRL_DOUBLE_PIXEL;
+ break;
case sm750_dualTFT:
- POKE32(PANEL_DISPLAY_CTRL,
- FIELD_VALUE(PEEK32(PANEL_DISPLAY_CTRL),
- PANEL_DISPLAY_CTRL,
- TFT_DISP,
- sm750_dev->pnltype));
- break;
+ val |= PANEL_DISPLAY_CTRL_DUAL_DISPLAY;
+ break;
}
+ POKE32(PANEL_DISPLAY_CTRL, val);
} else {
/* for 750LE ,no DVI chip initialization makes Monitor no signal */
/* Set up GPIO for software I2C to program DVI chip in the
--
1.9.1
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