6.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ville Syrjälä ville.syrjala@linux.intel.com
[ Upstream commit 9dd56e979cb69f5cd904574c852b620777a2f69f ]
Use REG_BIT() & co. for the LVDS port register.
Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com Link: https://patchwork.freedesktop.org/patch/msgid/20230130180540.8972-4-ville.sy... Reviewed-by: Jani Nikula jani.nikula@intel.com Stable-dep-of: 20c2dbff342a ("drm/i915: Skip some timing checks on BXT/GLK DSI transcoders") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/i915/display/intel_lvds.c | 4 +- drivers/gpu/drm/i915/i915_reg.h | 46 +++++++++++------------ 2 files changed, 24 insertions(+), 26 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c index a749a5a66d624..e4606d9a25edb 100644 --- a/drivers/gpu/drm/i915/display/intel_lvds.c +++ b/drivers/gpu/drm/i915/display/intel_lvds.c @@ -92,9 +92,9 @@ bool intel_lvds_port_enabled(struct drm_i915_private *dev_priv,
/* asserts want to know the pipe even if the port is disabled */ if (HAS_PCH_CPT(dev_priv)) - *pipe = (val & LVDS_PIPE_SEL_MASK_CPT) >> LVDS_PIPE_SEL_SHIFT_CPT; + *pipe = REG_FIELD_GET(LVDS_PIPE_SEL_MASK_CPT, val); else - *pipe = (val & LVDS_PIPE_SEL_MASK) >> LVDS_PIPE_SEL_SHIFT; + *pipe = REG_FIELD_GET(LVDS_PIPE_SEL_MASK, val);
return val & LVDS_PORT_EN; } diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 25015996f627a..c6766704340eb 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2681,52 +2681,50 @@ * Enables the LVDS port. This bit must be set before DPLLs are enabled, as * the DPLL semantics change when the LVDS is assigned to that pipe. */ -#define LVDS_PORT_EN (1 << 31) +#define LVDS_PORT_EN REG_BIT(31) /* Selects pipe B for LVDS data. Must be set on pre-965. */ -#define LVDS_PIPE_SEL_SHIFT 30 -#define LVDS_PIPE_SEL_MASK (1 << 30) -#define LVDS_PIPE_SEL(pipe) ((pipe) << 30) -#define LVDS_PIPE_SEL_SHIFT_CPT 29 -#define LVDS_PIPE_SEL_MASK_CPT (3 << 29) -#define LVDS_PIPE_SEL_CPT(pipe) ((pipe) << 29) +#define LVDS_PIPE_SEL_MASK REG_BIT(30) +#define LVDS_PIPE_SEL(pipe) REG_FIELD_PREP(LVDS_PIPE_SEL_MASK, (pipe)) +#define LVDS_PIPE_SEL_MASK_CPT REG_GENMASK(30, 29) +#define LVDS_PIPE_SEL_CPT(pipe) REG_FIELD_PREP(LVDS_PIPE_SEL_MASK_CPT, (pipe)) /* LVDS dithering flag on 965/g4x platform */ -#define LVDS_ENABLE_DITHER (1 << 25) +#define LVDS_ENABLE_DITHER REG_BIT(25) /* LVDS sync polarity flags. Set to invert (i.e. negative) */ -#define LVDS_VSYNC_POLARITY (1 << 21) -#define LVDS_HSYNC_POLARITY (1 << 20) +#define LVDS_VSYNC_POLARITY REG_BIT(21) +#define LVDS_HSYNC_POLARITY REG_BIT(20)
/* Enable border for unscaled (or aspect-scaled) display */ -#define LVDS_BORDER_ENABLE (1 << 15) +#define LVDS_BORDER_ENABLE REG_BIT(15) /* * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per * pixel. */ -#define LVDS_A0A2_CLKA_POWER_MASK (3 << 8) -#define LVDS_A0A2_CLKA_POWER_DOWN (0 << 8) -#define LVDS_A0A2_CLKA_POWER_UP (3 << 8) +#define LVDS_A0A2_CLKA_POWER_MASK REG_GENMASK(9, 8) +#define LVDS_A0A2_CLKA_POWER_DOWN REG_FIELD_PREP(LVDS_A0A2_CLKA_POWER_MASK, 0) +#define LVDS_A0A2_CLKA_POWER_UP REG_FIELD_PREP(LVDS_A0A2_CLKA_POWER_MASK, 3) /* * Controls the A3 data pair, which contains the additional LSBs for 24 bit * mode. Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be * on. */ -#define LVDS_A3_POWER_MASK (3 << 6) -#define LVDS_A3_POWER_DOWN (0 << 6) -#define LVDS_A3_POWER_UP (3 << 6) +#define LVDS_A3_POWER_MASK REG_GENMASK(7, 6) +#define LVDS_A3_POWER_DOWN REG_FIELD_PREP(LVDS_A3_POWER_MASK, 0) +#define LVDS_A3_POWER_UP REG_FIELD_PREP(LVDS_A3_POWER_MASK, 3) /* * Controls the CLKB pair. This should only be set when LVDS_B0B3_POWER_UP * is set. */ -#define LVDS_CLKB_POWER_MASK (3 << 4) -#define LVDS_CLKB_POWER_DOWN (0 << 4) -#define LVDS_CLKB_POWER_UP (3 << 4) +#define LVDS_CLKB_POWER_MASK REG_GENMASK(5, 4) +#define LVDS_CLKB_POWER_DOWN REG_FIELD_PREP(LVDS_CLKB_POWER_MASK, 0) +#define LVDS_CLKB_POWER_UP REG_FIELD_PREP(LVDS_CLKB_POWER_MASK, 3) /* * Controls the B0-B3 data pairs. This must be set to match the DPLL p2 * setting for whether we are in dual-channel mode. The B3 pair will * additionally only be powered up when LVDS_A3_POWER_UP is set. */ -#define LVDS_B0B3_POWER_MASK (3 << 2) -#define LVDS_B0B3_POWER_DOWN (0 << 2) -#define LVDS_B0B3_POWER_UP (3 << 2) +#define LVDS_B0B3_POWER_MASK REG_GENMASK(3, 2) +#define LVDS_B0B3_POWER_DOWN REG_FIELD_PREP(LVDS_B0B3_POWER_MASK, 0) +#define LVDS_B0B3_POWER_UP REG_FIELD_PREP(LVDS_B0B3_POWER_MASK, 3)
/* Video Data Island Packet control */ #define VIDEO_DIP_DATA _MMIO(0x61178) @@ -6461,7 +6459,7 @@ #define FDI_PLL_CTL_2 _MMIO(0xfe004)
#define PCH_LVDS _MMIO(0xe1180) -#define LVDS_DETECTED (1 << 1) +#define LVDS_DETECTED REG_BIT(1)
#define _PCH_DP_B 0xe4100 #define PCH_DP_B _MMIO(_PCH_DP_B)