From 7361f1735d212b6be9e92d3015f843cf09fae653 Mon Sep 17 00:00:00 2001 From: Koen Kooi Date: Sat, 18 Apr 2009 18:36:42 +0200 Subject: linux-omap 2.6.29: add more dss2 patches --- ...2-do-bootmem-reserve-for-exclusive-access.patch | 33 +++++++++ ...DSS2-Fix-DISPC_VID_FIR-value-for-omap34xx.patch | 35 +++++++++ .../dss2/0033-DSS2-Prefer-3-tap-filter.patch | 82 ++++++++++++++++++++++ recipes/linux/linux-omap_2.6.29.bb | 3 + 4 files changed, 153 insertions(+) create mode 100644 recipes/linux/linux-omap-2.6.29/dss2/0031-DSS2-do-bootmem-reserve-for-exclusive-access.patch create mode 100644 recipes/linux/linux-omap-2.6.29/dss2/0032-DSS2-Fix-DISPC_VID_FIR-value-for-omap34xx.patch create mode 100644 recipes/linux/linux-omap-2.6.29/dss2/0033-DSS2-Prefer-3-tap-filter.patch (limited to 'recipes/linux') diff --git a/recipes/linux/linux-omap-2.6.29/dss2/0031-DSS2-do-bootmem-reserve-for-exclusive-access.patch b/recipes/linux/linux-omap-2.6.29/dss2/0031-DSS2-do-bootmem-reserve-for-exclusive-access.patch new file mode 100644 index 0000000000..ae777ed04e --- /dev/null +++ b/recipes/linux/linux-omap-2.6.29/dss2/0031-DSS2-do-bootmem-reserve-for-exclusive-access.patch @@ -0,0 +1,33 @@ +From 30c40f5e6b1794430f678bf23d3319354321cab7 Mon Sep 17 00:00:00 2001 +From: Imre Deak +Date: Tue, 14 Apr 2009 14:50:11 +0200 +Subject: [PATCH] DSS2: do bootmem reserve for exclusive access + +BOOTMEM_DEFAULT would allow multiple reservations for the same location, +we need to reserve the region for our exclusive use. Also check if the +reserve succeeded. + +Signed-off-by: Imre Deak +--- + arch/arm/plat-omap/vram.c | 5 ++++- + 1 files changed, 4 insertions(+), 1 deletions(-) + +diff --git a/arch/arm/plat-omap/vram.c b/arch/arm/plat-omap/vram.c +index f24a110..520f260 100644 +--- a/arch/arm/plat-omap/vram.c ++++ b/arch/arm/plat-omap/vram.c +@@ -524,7 +524,10 @@ void __init omapfb_reserve_sdram(void) + return; + } + +- reserve_bootmem(paddr, size, BOOTMEM_DEFAULT); ++ if (reserve_bootmem(paddr, size, BOOTMEM_EXCLUSIVE) < 0) { ++ pr_err("FB: failed to reserve VRAM\n"); ++ return; ++ } + } else { + if (size > sdram_size) { + printk(KERN_ERR "Illegal SDRAM size for VRAM\n"); +-- +1.5.6.5 + diff --git a/recipes/linux/linux-omap-2.6.29/dss2/0032-DSS2-Fix-DISPC_VID_FIR-value-for-omap34xx.patch b/recipes/linux/linux-omap-2.6.29/dss2/0032-DSS2-Fix-DISPC_VID_FIR-value-for-omap34xx.patch new file mode 100644 index 0000000000..4959a760b1 --- /dev/null +++ b/recipes/linux/linux-omap-2.6.29/dss2/0032-DSS2-Fix-DISPC_VID_FIR-value-for-omap34xx.patch @@ -0,0 +1,35 @@ +From ed7a9223f6785be03951c55f3b0695b0d5635c80 Mon Sep 17 00:00:00 2001 +From: =?utf-8?q?Ville=20Syrj=C3=A4l=C3=A4?= +Date: Thu, 9 Apr 2009 15:04:44 +0200 +Subject: [PATCH] DSS2: Fix DISPC_VID_FIR value for omap34xx +MIME-Version: 1.0 +Content-Type: text/plain; charset=utf-8 +Content-Transfer-Encoding: 8bit + +The msbs of the DISPC_VID_FIR fields were incorrectly masked out on +omap34xx and thus 4:1 downscale did not work correctly. + +Signed-off-by: Ville Syrjälä +--- + drivers/video/omap2/dss/dispc.c | 5 ++++- + 1 files changed, 4 insertions(+), 1 deletions(-) + +diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c +index 076d3d4..b8a3329 100644 +--- a/drivers/video/omap2/dss/dispc.c ++++ b/drivers/video/omap2/dss/dispc.c +@@ -994,7 +994,10 @@ static void _dispc_set_fir(enum omap_plane plane, int hinc, int vinc) + + BUG_ON(plane == OMAP_DSS_GFX); + +- val = FLD_VAL(vinc, 27, 16) | FLD_VAL(hinc, 11, 0); ++ if (cpu_is_omap24xx()) ++ val = FLD_VAL(vinc, 27, 16) | FLD_VAL(hinc, 11, 0); ++ else ++ val = FLD_VAL(vinc, 28, 16) | FLD_VAL(hinc, 12, 0); + dispc_write_reg(fir_reg[plane-1], val); + } + +-- +1.5.6.5 + diff --git a/recipes/linux/linux-omap-2.6.29/dss2/0033-DSS2-Prefer-3-tap-filter.patch b/recipes/linux/linux-omap-2.6.29/dss2/0033-DSS2-Prefer-3-tap-filter.patch new file mode 100644 index 0000000000..f643ca64f3 --- /dev/null +++ b/recipes/linux/linux-omap-2.6.29/dss2/0033-DSS2-Prefer-3-tap-filter.patch @@ -0,0 +1,82 @@ +From 5390230ed12585a79683733209db34e9130b8e3b Mon Sep 17 00:00:00 2001 +From: =?utf-8?q?Ville=20Syrj=C3=A4l=C3=A4?= +Date: Thu, 9 Apr 2009 15:04:43 +0200 +Subject: [PATCH] DSS2: Prefer 3-tap filter +MIME-Version: 1.0 +Content-Type: text/plain; charset=utf-8 +Content-Transfer-Encoding: 8bit + +The 5-tap filter seems rather unstable. With some scaling settings it +works and with some it doesn't even though the functional clock remains +within the TRM limits. So prefer the 3-tap filter unless the functional +clock required for it is too high. + +Signed-off-by: Ville Syrjälä +--- + drivers/video/omap2/dss/dispc.c | 27 ++++++++++++--------------- + 1 files changed, 12 insertions(+), 15 deletions(-) + +diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c +index b8a3329..b631dd8 100644 +--- a/drivers/video/omap2/dss/dispc.c ++++ b/drivers/video/omap2/dss/dispc.c +@@ -1405,15 +1405,10 @@ static unsigned long calc_fclk_five_taps(u16 width, u16 height, + } + + static unsigned long calc_fclk(u16 width, u16 height, +- u16 out_width, u16 out_height, +- enum omap_color_mode color_mode, bool five_taps) ++ u16 out_width, u16 out_height) + { + unsigned int hf, vf; + +- if (five_taps) +- return calc_fclk_five_taps(width, height, +- out_width, out_height, color_mode); +- + /* + * FIXME how to determine the 'A' factor + * for the no downscaling case ? +@@ -1494,7 +1489,7 @@ static int _dispc_setup_plane(enum omap_plane plane, + } else { + /* video plane */ + +- unsigned long fclk; ++ unsigned long fclk = 0; + + if (out_width < width / maxdownscale || + out_width > width * 8) +@@ -1530,20 +1525,22 @@ static int _dispc_setup_plane(enum omap_plane plane, + /* Must use 5-tap filter? */ + five_taps = height > out_height * 2; + +- /* Try to use 5-tap filter whenever possible. */ +- if (cpu_is_omap34xx() && !five_taps && +- height > out_height && width <= 1024) { +- fclk = calc_fclk_five_taps(width, height, +- out_width, out_height, color_mode); +- if (fclk <= dispc_fclk_rate()) ++ if (!five_taps) { ++ fclk = calc_fclk(width, height, ++ out_width, out_height); ++ ++ /* Try 5-tap filter if 3-tap fclk is too high */ ++ if (cpu_is_omap34xx() && height > out_height && ++ fclk > dispc_fclk_rate()) + five_taps = true; + } + + if (width > (2048 >> five_taps)) + return -EINVAL; + +- fclk = calc_fclk(width, height, out_width, out_height, +- color_mode, five_taps); ++ if (five_taps) ++ fclk = calc_fclk_five_taps(width, height, ++ out_width, out_height, color_mode); + + DSSDBG("required fclk rate = %lu Hz\n", fclk); + DSSDBG("current fclk rate = %lu Hz\n", dispc_fclk_rate()); +-- +1.5.6.5 + diff --git a/recipes/linux/linux-omap_2.6.29.bb b/recipes/linux/linux-omap_2.6.29.bb index f70fc9b0a3..da2ecbd421 100644 --- a/recipes/linux/linux-omap_2.6.29.bb +++ b/recipes/linux/linux-omap_2.6.29.bb @@ -51,6 +51,9 @@ SRC_URI_append = " \ file://dss2/0028-DSS2-OMAPFB-Added-support-for-the-YUV-VRFB-rotatio.patch;patch=1 \ file://dss2/0029-DSS2-OMAPFB-Set-line_length-correctly-for-YUV-with.patch;patch=1 \ file://dss2/0030-DSS2-dispc_get_trans_key-was-returning-wrong-key-ty.patch;patch=1 \ + file://dss2/0031-DSS2-do-bootmem-reserve-for-exclusive-access.patch;patch=1 \ + file://dss2/0032-DSS2-Fix-DISPC_VID_FIR-value-for-omap34xx.patch;patch=1 \ + file://dss2/0033-DSS2-Prefer-3-tap-filter.patch;patch=1 \ file://0001-board-ldp-add-regulator-info-to-get-the-microSD-slo.patch;patch=1 \ file://fix-unaligned-access.diff;patch=1 \ file://make-alignment-visible.diff;patch=1 \ -- cgit v1.2.3