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drm/i915: Use REG_BIT() & co for the pre-ilk pfit registers

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Modernize the gmch pfit register definitions using REG_BIT/etc.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230418175528.13117-6-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2023-04-18 20:55:18 +03:00
parent 597421a806
commit 08df6d30c1
4 changed files with 48 additions and 45 deletions
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15
drivers/gpu/drm/i915/display/intel_display.c
View File

@ -2749,6 +2749,7 @@ static void i9xx_get_pfit_config(struct intel_crtc_state *crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum pipe pipe;
u32 tmp;
if (!i9xx_has_pfit(dev_priv))
@ -2759,13 +2760,13 @@ static void i9xx_get_pfit_config(struct intel_crtc_state *crtc_state)
return;
/* Check whether the pfit is attached to our pipe. */
if (DISPLAY_VER(dev_priv) < 4) {
if (crtc->pipe != PIPE_B)
return;
} else {
if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT))
return;
}
if (DISPLAY_VER(dev_priv) >= 4)
pipe = REG_FIELD_GET(PFIT_PIPE_MASK, tmp);
else
pipe = PIPE_B;
if (pipe != crtc->pipe)
return;
crtc_state->gmch_pfit.control = tmp;
crtc_state->gmch_pfit.pgm_ratios =

16
drivers/gpu/drm/i915/display/intel_overlay.c
View File

@ -935,21 +935,25 @@ static int check_overlay_possible_on_crtc(struct intel_overlay *overlay,
static void update_pfit_vscale_ratio(struct intel_overlay *overlay)
{
struct drm_i915_private *dev_priv = overlay->i915;
u32 pfit_control = intel_de_read(dev_priv, PFIT_CONTROL);
u32 ratio;
/* XXX: This is not the same logic as in the xorg driver, but more in
* line with the intel documentation for the i965
*/
if (DISPLAY_VER(dev_priv) >= 4) {
u32 tmp = intel_de_read(dev_priv, PFIT_PGM_RATIOS);
/* on i965 use the PGM reg to read out the autoscaler values */
ratio = intel_de_read(dev_priv, PFIT_PGM_RATIOS) >> PFIT_VERT_SCALE_SHIFT_965;
ratio = REG_FIELD_GET(PFIT_VERT_SCALE_MASK_965, tmp);
} else {
if (pfit_control & VERT_AUTO_SCALE)
ratio = intel_de_read(dev_priv, PFIT_AUTO_RATIOS);
u32 tmp;
if (intel_de_read(dev_priv, PFIT_CONTROL) & VERT_AUTO_SCALE)
tmp = intel_de_read(dev_priv, PFIT_AUTO_RATIOS);
else
ratio = intel_de_read(dev_priv, PFIT_PGM_RATIOS);
ratio >>= PFIT_VERT_SCALE_SHIFT;
tmp = intel_de_read(dev_priv, PFIT_PGM_RATIOS);
ratio = REG_FIELD_GET(PFIT_VERT_SCALE_MASK, tmp);
}
overlay->pfit_vscale_ratio = ratio;

8
drivers/gpu/drm/i915/display/intel_panel.c
View File

@ -564,8 +564,8 @@ static void i9xx_scale_aspect(struct intel_crtc_state *crtc_state,
bits = panel_fitter_scaling(pipe_src_h,
adjusted_mode->crtc_vdisplay);
*pfit_pgm_ratios |= (bits << PFIT_HORIZ_SCALE_SHIFT |
bits << PFIT_VERT_SCALE_SHIFT);
*pfit_pgm_ratios |= (PFIT_HORIZ_SCALE(bits) |
PFIT_VERT_SCALE(bits));
*pfit_control |= (PFIT_ENABLE |
VERT_INTERP_BILINEAR |
HORIZ_INTERP_BILINEAR);
@ -579,8 +579,8 @@ static void i9xx_scale_aspect(struct intel_crtc_state *crtc_state,
bits = panel_fitter_scaling(pipe_src_w,
adjusted_mode->crtc_hdisplay);
*pfit_pgm_ratios |= (bits << PFIT_HORIZ_SCALE_SHIFT |
bits << PFIT_VERT_SCALE_SHIFT);
*pfit_pgm_ratios |= (PFIT_HORIZ_SCALE(bits) |
PFIT_VERT_SCALE(bits));
*pfit_control |= (PFIT_ENABLE |
VERT_INTERP_BILINEAR |
HORIZ_INTERP_BILINEAR);

54
drivers/gpu/drm/i915/i915_reg.h
View File

@ -2327,35 +2327,33 @@
/* Panel fitting */
#define PFIT_CONTROL _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61230)
#define PFIT_ENABLE (1 << 31)
#define PFIT_PIPE_MASK (3 << 29)
#define PFIT_PIPE_SHIFT 29
#define PFIT_PIPE(pipe) ((pipe) << 29)
#define VERT_INTERP_DISABLE (0 << 10)
#define VERT_INTERP_BILINEAR (1 << 10)
#define VERT_INTERP_MASK (3 << 10)
#define VERT_AUTO_SCALE (1 << 9)
#define HORIZ_INTERP_DISABLE (0 << 6)
#define HORIZ_INTERP_BILINEAR (1 << 6)
#define HORIZ_INTERP_MASK (3 << 6)
#define HORIZ_AUTO_SCALE (1 << 5)
#define PANEL_8TO6_DITHER_ENABLE (1 << 3)
#define PFIT_FILTER_FUZZY (0 << 24)
#define PFIT_SCALING_AUTO (0 << 26)
#define PFIT_SCALING_PROGRAMMED (1 << 26)
#define PFIT_SCALING_PILLAR (2 << 26)
#define PFIT_SCALING_LETTER (3 << 26)
#define PFIT_ENABLE REG_BIT(31)
#define PFIT_PIPE_MASK REG_GENMASK(30, 29) /* 965+ */
#define PFIT_PIPE(pipe) REG_FIELD_PREP(PFIT_PIPE_MASK, (pipe))
#define PFIT_SCALING_MASK REG_GENMASK(28, 26) /* 965+ */
#define PFIT_SCALING_AUTO REG_FIELD_PREP(PFIT_SCALING_MASK, 0)
#define PFIT_SCALING_PROGRAMMED REG_FIELD_PREP(PFIT_SCALING_MASK, 1)
#define PFIT_SCALING_PILLAR REG_FIELD_PREP(PFIT_SCALING_MASK, 2)
#define PFIT_SCALING_LETTER REG_FIELD_PREP(PFIT_SCALING_MASK, 3)
#define PFIT_FILTER_MASK REG_GENMASK(25, 24) /* 965+ */
#define PFIT_FILTER_FUZZY REG_FIELD_PREP(PFIT_FILTER_MASK, 0)
#define PFIT_FILTER_CRISP REG_FIELD_PREP(PFIT_FILTER_MASK, 1)
#define PFIT_FILTER_MEDIAN REG_FIELD_PREP(PFIT_FILTER_MASK, 2)
#define VERT_INTERP_MASK REG_GENMASK(11, 10) /* pre-965 */
#define VERT_INTERP_BILINEAR REG_FIELD_PREP(VERT_INTERP_MASK, 1)
#define VERT_AUTO_SCALE REG_BIT(9) /* pre-965 */
#define HORIZ_INTERP_MASK REG_GENMASK(7, 6) /* pre-965 */
#define HORIZ_INTERP_BILINEAR REG_FIELD_PREP(HORIZ_INTERP_MASK, 1)
#define HORIZ_AUTO_SCALE REG_BIT(5) /* pre-965 */
#define PANEL_8TO6_DITHER_ENABLE REG_BIT(3) /* pre-965 */
#define PFIT_PGM_RATIOS _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61234)
/* Pre-965 */
#define PFIT_VERT_SCALE_SHIFT 20
#define PFIT_VERT_SCALE_MASK 0xfff00000
#define PFIT_HORIZ_SCALE_SHIFT 4
#define PFIT_HORIZ_SCALE_MASK 0x0000fff0
/* 965+ */
#define PFIT_VERT_SCALE_SHIFT_965 16
#define PFIT_VERT_SCALE_MASK_965 0x1fff0000
#define PFIT_HORIZ_SCALE_SHIFT_965 0
#define PFIT_HORIZ_SCALE_MASK_965 0x00001fff
#define PFIT_VERT_SCALE_MASK REG_GENMASK(31, 20) /* pre-965 */
#define PFIT_VERT_SCALE(x) REG_FIELD_PREP(PFIT_VERT_SCALE_MASK, (x))
#define PFIT_HORIZ_SCALE_MASK REG_GENMASK(15, 4) /* pre-965 */
#define PFIT_HORIZ_SCALE(x) REG_FIELD_PREP(PFIT_HORIZ_SCALE_MASK, (x))
#define PFIT_VERT_SCALE_MASK_965 REG_GENMASK(28, 16) /* 965+ */
#define PFIT_HORIZ_SCALE_MASK_965 REG_GENMASK(12, 0) /* 965+ */
#define PFIT_AUTO_RATIOS _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61238)