[PATCH 14/19] video/vga: Add VGA_IS0_R
From: Ville Syrjala <hidden>
Date: 2025-12-08 18:27:40
Also in:
dri-devel, intel-gfx, intel-xe
Subsystem:
framebuffer layer, the rest · Maintainers:
Helge Deller, Linus Torvalds
From: Ville Syrjälä <redacted> Add a proper name for the "Input status register 0" IO address. Currently we have some code that does read addressed using the aliasing VGA_MSR_W define, making it unclear what register we're actually reading. Cc: Helge Deller <deller@gmx.de> Cc: linux-fbdev@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Signed-off-by: Ville Syrjälä <redacted> --- include/video/vga.h | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/include/video/vga.h b/include/video/vga.h
index 468764d6727a..d83c5f153253 100644
--- a/include/video/vga.h
+++ b/include/video/vga.h@@ -46,6 +46,7 @@ #define VGA_MIS_R 0x3CC /* Misc Output Read Register */ #define VGA_MIS_W 0x3C2 /* Misc Output Write Register */ #define VGA_FTC_R 0x3CA /* Feature Control Read Register */ +#define VGA_IS0_R 0x3C2 /* Input Status Register 0 */ #define VGA_IS1_RC 0x3DA /* Input Status Register 1 - color emulation */ #define VGA_IS1_RM 0x3BA /* Input Status Register 1 - mono emulation */ #define VGA_PEL_D 0x3C9 /* PEL Data Register */
@@ -485,3 +486,4 @@ static inline void vga_mm_wattr (void __iomem *regbase, unsigned char reg, unsig } #endif /* __linux_video_vga_h__ */ +?
--
2.51.2