Grouping the vop registers facilitates make register definition clearer, and also is useful for different vop reuse the same group register. Signed-off-by: Mark Yao <mark.yao@xxxxxxxxxxxxxx> Reviewed-by: Jeffy Chen <jeffy.chen@xxxxxxxxxxxxxx> --- Changes in v6.1 - fix Null pointer crash on vop_reg_set drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 101 ++++++++++++------------- drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 60 ++++++++------- drivers/gpu/drm/rockchip/rockchip_vop_reg.c | 112 +++++++++++++++------------- 3 files changed, 146 insertions(+), 127 deletions(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index fd47da5..39912f2 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -42,30 +42,19 @@ #include "rockchip_drm_psr.h" #include "rockchip_drm_vop.h" -#define REG_SET(x, base, reg, v) \ - vop_mask_write(x, base + reg.offset, reg.mask, reg.shift, \ - v, reg.write_mask, reg.relaxed) -#define REG_SET_MASK(x, base, reg, mask, v) \ - vop_mask_write(x, base + reg.offset, \ - mask, reg.shift, v, reg.write_mask, reg.relaxed) - #define VOP_WIN_SET(x, win, name, v) \ - REG_SET(x, win->base, win->phy->name, v) + vop_reg_set(vop, &win->phy->name, win->base, ~0, v, #name) #define VOP_SCL_SET(x, win, name, v) \ - REG_SET(x, win->base, win->phy->scl->name, v) + vop_reg_set(vop, &win->phy->scl->name, win->base, ~0, v, #name) #define VOP_SCL_SET_EXT(x, win, name, v) \ - REG_SET(x, win->base, win->phy->scl->ext->name, v) -#define VOP_CTRL_SET(x, name, v) \ - REG_SET(x, 0, (x)->data->ctrl->name, v) - -#define VOP_INTR_GET(vop, name) \ - vop_read_reg(vop, 0, &vop->data->ctrl->name) - -#define VOP_INTR_SET(vop, name, v) \ - REG_SET(vop, 0, vop->data->intr->name, v) + vop_reg_set(vop, &win->phy->scl->ext->name, \ + win->base, ~0, v, #name) #define VOP_INTR_SET_MASK(vop, name, mask, v) \ - REG_SET_MASK(vop, 0, vop->data->intr->name, mask, v) + vop_reg_set(vop, &vop->data->intr->name, 0, mask, v, #name) + +#define VOP_REG_SET(vop, group, name, v) \ + vop_reg_set(vop, &vop->data->group->name, 0, ~0, v, #name) #define VOP_INTR_SET_TYPE(vop, name, type, v) \ do { \ @@ -82,7 +71,7 @@ vop_get_intr_type(vop, &vop->data->intr->name, type) #define VOP_WIN_GET(x, win, name) \ - vop_read_reg(x, win->base, &win->phy->name) + vop_read_reg(x, win->offset, win->phy->name) #define VOP_WIN_GET_YRGBADDR(vop, win) \ vop_readl(vop, win->base + win->phy->yrgb_mst.offset) @@ -164,14 +153,22 @@ static inline uint32_t vop_read_reg(struct vop *vop, uint32_t base, return (vop_readl(vop, base + reg->offset) >> reg->shift) & reg->mask; } -static inline void vop_mask_write(struct vop *vop, uint32_t offset, - uint32_t mask, uint32_t shift, uint32_t v, - bool write_mask, bool relaxed) +static void vop_reg_set(struct vop *vop, const struct vop_reg *reg, + uint32_t _offset, uint32_t _mask, uint32_t v, + const char *reg_name) { - if (!mask) + int offset, mask, shift; + + if (!reg || !reg->mask) { + dev_dbg(vop->dev, "Warning: not support %s\n", reg_name); return; + } + + offset = reg->offset + _offset; + mask = reg->mask & _mask; + shift = reg->shift; - if (write_mask) { + if (reg->write_mask) { v = ((v << shift) & 0xffff) | (mask << (shift + 16)); } else { uint32_t cached_val = vop->regsbak[offset >> 2]; @@ -180,7 +177,7 @@ static inline void vop_mask_write(struct vop *vop, uint32_t offset, vop->regsbak[offset >> 2] = v; } - if (relaxed) + if (reg->relaxed) writel_relaxed(v, vop->regs + offset); else writel(v, vop->regs + offset); @@ -202,7 +199,7 @@ static inline uint32_t vop_get_intr_type(struct vop *vop, static inline void vop_cfg_done(struct vop *vop) { - VOP_CTRL_SET(vop, cfg_done, 1); + VOP_REG_SET(vop, common, cfg_done, 1); } static bool has_rb_swapped(uint32_t format) @@ -540,7 +537,7 @@ static int vop_enable(struct drm_crtc *crtc) spin_lock(&vop->reg_lock); - VOP_CTRL_SET(vop, standby, 0); + VOP_REG_SET(vop, common, standby, 1); spin_unlock(&vop->reg_lock); @@ -600,7 +597,7 @@ static void vop_crtc_disable(struct drm_crtc *crtc) spin_lock(&vop->reg_lock); - VOP_CTRL_SET(vop, standby, 1); + VOP_REG_SET(vop, common, standby, 1); spin_unlock(&vop->reg_lock); @@ -923,7 +920,7 @@ static void vop_crtc_enable(struct drm_crtc *crtc) spin_lock(&vop->reg_lock); - VOP_CTRL_SET(vop, standby, 1); + VOP_REG_SET(vop, common, standby, 1); spin_unlock(&vop->reg_lock); @@ -937,29 +934,29 @@ static void vop_crtc_enable(struct drm_crtc *crtc) BIT(HSYNC_POSITIVE) : 0; pin_pol |= (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) ? BIT(VSYNC_POSITIVE) : 0; - VOP_CTRL_SET(vop, pin_pol, pin_pol); + VOP_REG_SET(vop, output, pin_pol, pin_pol); switch (s->output_type) { case DRM_MODE_CONNECTOR_LVDS: - VOP_CTRL_SET(vop, rgb_en, 1); - VOP_CTRL_SET(vop, rgb_pin_pol, pin_pol); + VOP_REG_SET(vop, output, rgb_en, 1); + VOP_REG_SET(vop, output, rgb_pin_pol, pin_pol); break; case DRM_MODE_CONNECTOR_eDP: - VOP_CTRL_SET(vop, edp_pin_pol, pin_pol); - VOP_CTRL_SET(vop, edp_en, 1); + VOP_REG_SET(vop, output, edp_pin_pol, pin_pol); + VOP_REG_SET(vop, output, edp_en, 1); break; case DRM_MODE_CONNECTOR_HDMIA: - VOP_CTRL_SET(vop, hdmi_pin_pol, pin_pol); - VOP_CTRL_SET(vop, hdmi_en, 1); + VOP_REG_SET(vop, output, hdmi_pin_pol, pin_pol); + VOP_REG_SET(vop, output, hdmi_en, 1); break; case DRM_MODE_CONNECTOR_DSI: - VOP_CTRL_SET(vop, mipi_pin_pol, pin_pol); - VOP_CTRL_SET(vop, mipi_en, 1); + VOP_REG_SET(vop, output, mipi_pin_pol, pin_pol); + VOP_REG_SET(vop, output, mipi_en, 1); break; case DRM_MODE_CONNECTOR_DisplayPort: pin_pol &= ~BIT(DCLK_INVERT); - VOP_CTRL_SET(vop, dp_pin_pol, pin_pol); - VOP_CTRL_SET(vop, dp_en, 1); + VOP_REG_SET(vop, output, dp_pin_pol, pin_pol); + VOP_REG_SET(vop, output, dp_en, 1); break; default: DRM_DEV_ERROR(vop->dev, "unsupported connector_type [%d]\n", @@ -972,25 +969,25 @@ static void vop_crtc_enable(struct drm_crtc *crtc) if (s->output_mode == ROCKCHIP_OUT_MODE_AAAA && !(vop_data->feature & VOP_FEATURE_OUTPUT_RGB10)) s->output_mode = ROCKCHIP_OUT_MODE_P888; - VOP_CTRL_SET(vop, out_mode, s->output_mode); + VOP_REG_SET(vop, common, out_mode, s->output_mode); - VOP_CTRL_SET(vop, htotal_pw, (htotal << 16) | hsync_len); + VOP_REG_SET(vop, modeset, htotal_pw, (htotal << 16) | hsync_len); val = hact_st << 16; val |= hact_end; - VOP_CTRL_SET(vop, hact_st_end, val); - VOP_CTRL_SET(vop, hpost_st_end, val); + VOP_REG_SET(vop, modeset, hact_st_end, val); + VOP_REG_SET(vop, modeset, hpost_st_end, val); - VOP_CTRL_SET(vop, vtotal_pw, (vtotal << 16) | vsync_len); + VOP_REG_SET(vop, modeset, vtotal_pw, (vtotal << 16) | vsync_len); val = vact_st << 16; val |= vact_end; - VOP_CTRL_SET(vop, vact_st_end, val); - VOP_CTRL_SET(vop, vpost_st_end, val); + VOP_REG_SET(vop, modeset, vact_st_end, val); + VOP_REG_SET(vop, modeset, vpost_st_end, val); - VOP_INTR_SET(vop, line_flag_num[0], vact_end); + VOP_REG_SET(vop, intr, line_flag_num[0], vact_end); clk_set_rate(vop->dclk, adjusted_mode->clock * 1000); - VOP_CTRL_SET(vop, standby, 0); + VOP_REG_SET(vop, common, standby, 0); rockchip_drm_psr_activate(&vop->crtc); } @@ -1452,8 +1449,8 @@ static int vop_initial(struct vop *vop) memcpy(vop->regsbak, vop->regs, vop->len); - VOP_CTRL_SET(vop, global_regdone_en, 1); - VOP_CTRL_SET(vop, dsp_blank, 0); + VOP_REG_SET(vop, misc, global_regdone_en, 1); + VOP_REG_SET(vop, common, dsp_blank, 0); for (i = 0; i < vop_data->win_size; i++) { const struct vop_win_data *win = &vop_data->win[i]; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index 850f8e4..3ba962c 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h @@ -25,43 +25,50 @@ enum vop_data_format { }; struct vop_reg { - uint32_t offset; - uint32_t shift; uint32_t mask; + uint16_t offset; + uint8_t shift; bool write_mask; bool relaxed; }; -struct vop_ctrl { - struct vop_reg standby; - struct vop_reg data_blank; - struct vop_reg gate_en; - struct vop_reg mmu_en; - struct vop_reg rgb_en; +struct vop_modeset { + struct vop_reg htotal_pw; + struct vop_reg hact_st_end; + struct vop_reg hpost_st_end; + struct vop_reg vtotal_pw; + struct vop_reg vact_st_end; + struct vop_reg vpost_st_end; +}; + +struct vop_output { + struct vop_reg pin_pol; + struct vop_reg dp_pin_pol; + struct vop_reg edp_pin_pol; + struct vop_reg hdmi_pin_pol; + struct vop_reg mipi_pin_pol; + struct vop_reg rgb_pin_pol; + struct vop_reg dp_en; struct vop_reg edp_en; struct vop_reg hdmi_en; struct vop_reg mipi_en; - struct vop_reg dp_en; + struct vop_reg rgb_en; +}; + +struct vop_common { + struct vop_reg cfg_done; struct vop_reg dsp_blank; - struct vop_reg out_mode; + struct vop_reg data_blank; struct vop_reg dither_down; struct vop_reg dither_up; - struct vop_reg pin_pol; - struct vop_reg rgb_pin_pol; - struct vop_reg hdmi_pin_pol; - struct vop_reg edp_pin_pol; - struct vop_reg mipi_pin_pol; - struct vop_reg dp_pin_pol; - - struct vop_reg htotal_pw; - struct vop_reg hact_st_end; - struct vop_reg vtotal_pw; - struct vop_reg vact_st_end; - struct vop_reg hpost_st_end; - struct vop_reg vpost_st_end; + struct vop_reg gate_en; + struct vop_reg mmu_en; + struct vop_reg out_mode; + struct vop_reg standby; +}; +struct vop_misc { struct vop_reg global_regdone_en; - struct vop_reg cfg_done; }; struct vop_intr { @@ -135,8 +142,11 @@ struct vop_win_data { }; struct vop_data { - const struct vop_ctrl *ctrl; const struct vop_intr *intr; + const struct vop_common *common; + const struct vop_misc *misc; + const struct vop_modeset *modeset; + const struct vop_output *output; const struct vop_win_data *win; unsigned int win_size; diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index 0a5f0d2..20607a8 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -117,26 +117,34 @@ .intrs = rk3036_vop_intrs, .nintrs = ARRAY_SIZE(rk3036_vop_intrs), .line_flag_num[0] = VOP_REG(RK3036_INT_STATUS, 0xfff, 12), - .status = VOP_REG(RK3036_INT_STATUS, 0xf, 0), - .enable = VOP_REG(RK3036_INT_STATUS, 0xf, 4), - .clear = VOP_REG(RK3036_INT_STATUS, 0xf, 8), + .status = VOP_REG_SYNC(RK3036_INT_STATUS, 0xf, 0), + .enable = VOP_REG_SYNC(RK3036_INT_STATUS, 0xf, 4), + .clear = VOP_REG_SYNC(RK3036_INT_STATUS, 0xf, 8), }; -static const struct vop_ctrl rk3036_ctrl_data = { - .standby = VOP_REG_SYNC(RK3036_SYS_CTRL, 0x1, 30), - .out_mode = VOP_REG(RK3036_DSP_CTRL0, 0xf, 0), - .pin_pol = VOP_REG(RK3036_DSP_CTRL0, 0xf, 4), - .dsp_blank = VOP_REG(RK3036_DSP_CTRL1, 0x1, 24), +static const struct vop_modeset rk3036_modeset = { .htotal_pw = VOP_REG(RK3036_DSP_HTOTAL_HS_END, 0x1fff1fff, 0), .hact_st_end = VOP_REG(RK3036_DSP_HACT_ST_END, 0x1fff1fff, 0), .vtotal_pw = VOP_REG(RK3036_DSP_VTOTAL_VS_END, 0x1fff1fff, 0), .vact_st_end = VOP_REG(RK3036_DSP_VACT_ST_END, 0x1fff1fff, 0), +}; + +static const struct vop_output rk3036_output = { + .pin_pol = VOP_REG(RK3036_DSP_CTRL0, 0xf, 4), +}; + +static const struct vop_common rk3036_common = { + .standby = VOP_REG_SYNC(RK3036_SYS_CTRL, 0x1, 30), + .out_mode = VOP_REG(RK3036_DSP_CTRL0, 0xf, 0), + .dsp_blank = VOP_REG(RK3036_DSP_CTRL1, 0x1, 24), .cfg_done = VOP_REG_SYNC(RK3036_REG_CFG_DONE, 0x1, 0), }; static const struct vop_data rk3036_vop = { - .ctrl = &rk3036_ctrl_data, .intr = &rk3036_intr, + .common = &rk3036_common, + .modeset = &rk3036_modeset, + .output = &rk3036_output, .win = rk3036_vop_win_data, .win_size = ARRAY_SIZE(rk3036_vop_win_data), }; @@ -206,27 +214,32 @@ .dst_alpha_ctl = VOP_REG(RK3288_WIN2_DST_ALPHA_CTRL, 0xff, 0), }; -static const struct vop_ctrl rk3288_ctrl_data = { - .standby = VOP_REG_SYNC(RK3288_SYS_CTRL, 0x1, 22), - .gate_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 23), - .mmu_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 20), +static const struct vop_modeset rk3288_modeset = { + .htotal_pw = VOP_REG(RK3288_DSP_HTOTAL_HS_END, 0x1fff1fff, 0), + .hact_st_end = VOP_REG(RK3288_DSP_HACT_ST_END, 0x1fff1fff, 0), + .vtotal_pw = VOP_REG(RK3288_DSP_VTOTAL_VS_END, 0x1fff1fff, 0), + .vact_st_end = VOP_REG(RK3288_DSP_VACT_ST_END, 0x1fff1fff, 0), + .hpost_st_end = VOP_REG(RK3288_POST_DSP_HACT_INFO, 0x1fff1fff, 0), + .vpost_st_end = VOP_REG(RK3288_POST_DSP_VACT_INFO, 0x1fff1fff, 0), +}; + +static const struct vop_output rk3288_output = { + .pin_pol = VOP_REG(RK3288_DSP_CTRL0, 0xf, 4), .rgb_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 12), .hdmi_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 13), .edp_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 14), .mipi_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 15), +}; + +static const struct vop_common rk3288_common = { + .standby = VOP_REG_SYNC(RK3288_SYS_CTRL, 0x1, 22), + .gate_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 23), + .mmu_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 20), .dither_down = VOP_REG(RK3288_DSP_CTRL1, 0xf, 1), .dither_up = VOP_REG(RK3288_DSP_CTRL1, 0x1, 6), .data_blank = VOP_REG(RK3288_DSP_CTRL0, 0x1, 19), .dsp_blank = VOP_REG(RK3288_DSP_CTRL0, 0x3, 18), .out_mode = VOP_REG(RK3288_DSP_CTRL0, 0xf, 0), - .pin_pol = VOP_REG(RK3288_DSP_CTRL0, 0xf, 4), - .htotal_pw = VOP_REG(RK3288_DSP_HTOTAL_HS_END, 0x1fff1fff, 0), - .hact_st_end = VOP_REG(RK3288_DSP_HACT_ST_END, 0x1fff1fff, 0), - .vtotal_pw = VOP_REG(RK3288_DSP_VTOTAL_VS_END, 0x1fff1fff, 0), - .vact_st_end = VOP_REG(RK3288_DSP_VACT_ST_END, 0x1fff1fff, 0), - .hpost_st_end = VOP_REG(RK3288_POST_DSP_HACT_INFO, 0x1fff1fff, 0), - .vpost_st_end = VOP_REG(RK3288_POST_DSP_VACT_INFO, 0x1fff1fff, 0), - .global_regdone_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 11), .cfg_done = VOP_REG_SYNC(RK3288_REG_CFG_DONE, 0x1, 0), }; @@ -266,37 +279,13 @@ static const struct vop_data rk3288_vop = { .feature = VOP_FEATURE_OUTPUT_RGB10, .intr = &rk3288_vop_intr, - .ctrl = &rk3288_ctrl_data, + .common = &rk3288_common, + .modeset = &rk3288_modeset, + .output = &rk3288_output, .win = rk3288_vop_win_data, .win_size = ARRAY_SIZE(rk3288_vop_win_data), }; -static const struct vop_ctrl rk3399_ctrl_data = { - .standby = VOP_REG_SYNC(RK3399_SYS_CTRL, 0x1, 22), - .gate_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 23), - .dp_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 11), - .rgb_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 12), - .hdmi_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 13), - .edp_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 14), - .mipi_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 15), - .dither_down = VOP_REG(RK3399_DSP_CTRL1, 0xf, 1), - .dither_up = VOP_REG(RK3399_DSP_CTRL1, 0x1, 6), - .data_blank = VOP_REG(RK3399_DSP_CTRL0, 0x1, 19), - .out_mode = VOP_REG(RK3399_DSP_CTRL0, 0xf, 0), - .rgb_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 16), - .dp_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 16), - .hdmi_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 20), - .edp_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 24), - .mipi_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 28), - .htotal_pw = VOP_REG(RK3399_DSP_HTOTAL_HS_END, 0x1fff1fff, 0), - .hact_st_end = VOP_REG(RK3399_DSP_HACT_ST_END, 0x1fff1fff, 0), - .vtotal_pw = VOP_REG(RK3399_DSP_VTOTAL_VS_END, 0x1fff1fff, 0), - .vact_st_end = VOP_REG(RK3399_DSP_VACT_ST_END, 0x1fff1fff, 0), - .hpost_st_end = VOP_REG(RK3399_POST_DSP_HACT_INFO, 0x1fff1fff, 0), - .vpost_st_end = VOP_REG(RK3399_POST_DSP_VACT_INFO, 0x1fff1fff, 0), - .cfg_done = VOP_REG_MASK_SYNC(RK3399_REG_CFG_DONE, 0x1, 0), -}; - static const int rk3399_vop_intrs[] = { FS_INTR, 0, 0, @@ -317,10 +306,30 @@ .clear = VOP_REG_MASK_SYNC(RK3399_INTR_CLEAR0, 0xffff, 0), }; +static const struct vop_output rk3399_output = { + .dp_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 16), + .rgb_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 16), + .hdmi_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 20), + .edp_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 24), + .mipi_pin_pol = VOP_REG(RK3399_DSP_CTRL1, 0xf, 28), + .dp_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 11), + .rgb_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 12), + .hdmi_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 13), + .edp_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 14), + .mipi_en = VOP_REG(RK3288_SYS_CTRL, 0x1, 15), +}; + +static const struct vop_misc rk3399_misc = { + .global_regdone_en = VOP_REG(RK3399_SYS_CTRL, 0x1, 11), +}; + static const struct vop_data rk3399_vop_big = { .feature = VOP_FEATURE_OUTPUT_RGB10, .intr = &rk3399_vop_intr, - .ctrl = &rk3399_ctrl_data, + .common = &rk3288_common, + .modeset = &rk3288_modeset, + .output = &rk3399_output, + .misc = &rk3399_misc, /* * rk3399 vop big windows register layout is same as rk3288. */ @@ -337,7 +346,10 @@ static const struct vop_data rk3399_vop_lit = { .intr = &rk3399_vop_intr, - .ctrl = &rk3399_ctrl_data, + .common = &rk3288_common, + .modeset = &rk3288_modeset, + .output = &rk3399_output, + .misc = &rk3399_misc, /* * rk3399 vop lit windows register layout is same as rk3288, * but cut off the win1 and win3 windows. -- 1.9.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel